(Motors are a prime examplethey employ loops of wire and are considered in the next section.) 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The frequency of AC in India is 100Hz. Please I am looking for a physics and chemistry teacher November 25, 2020 March 15, 2014 by . When it is parallel to the magnetic field, the force will be zero. In 1831, Faraday showed the world that if a magnet is moved inside a copper coil, very little electric current is induced. Can I receive full notes of electromagnetism for a level course through my below email address. Download our apps to start learning, Call us and we will answer all your questions about learning on Unacademy, Access free live classes and tests on the app, Kerala Plus One Result 2022: DHSE first year results declared, UPMSP Board (Uttar Pradesh Madhyamik Shiksha Parishad), The tangent drawn to the magnetic field lines provides the direction of the magnetic field, The closeness of the field lines is immediately proportionate to the strength of the field, Magnetic field lines seem to originate or start from the north pole and eliminate or merge at the south pole, The path of the magnetic field lines is from the south to the north pole Inside the magnet, Magnetic field lines do not bisect one another, Magnetic field lines construct a closed-loop, Magnetic field lines have both magnitude and direction at any point on the magnetic field. We knew that lightning was a kind of electricity and also the proof that the working of a compass is established on the earths magnetic field. Force acting on a charge moving in the magnetic field is called Lorentz force. A straight current carrying conductor is placed in a magnetic field but no force acts on it. H. C. Oersted was the first scientist who discovered that a current-carrying conductor generates a magnetic impact around it. The higher the current $\rightarrow$ the stronger the force. The deterrent value of nuclear submarines is based on their ability to hide and survive a first or second nuclear strike. The force acting on the current-carrying conductor is maximum when = 90 and the equation of force is. Force on a Current-Carrying Conductor in Magnetic Field. In this article, we have discussed the force on a current-carrying conductor. A-143, 9th Floor, Sovereign Corporate Tower, We use cookies to ensure you have the best browsing experience on our website. Based on the direction of the current entering the coil in the electromagnets. F = ILBsin = 10.10.5sin90F = 0.05 N. Example 2: A current-carrying conductor of length 0.5cm with current 2A is placed at an angle of 30 in the magnetic field of 0.3T. They can be drawn using a compass needle. It is based on the direction of current flowing in the conductor of the electromagnet. Hence considering cos instead of sin does not make sense. For example, the effect of lightning when it strikes a ship causes the breakdown of compass needles, disturbing the navigation system. The direction of this force is always right angles to the plane containing both the conductor and the magnetic field, and is predicted by Flemings Left-Hand Rule. The force on current carrying wire is due to applied magnetic field or its own magnetic induction? Force acting on a charge moving in a magnetic field is called Lorentz force. Magnetohydrodynamics (MHD) is the technical name given to a clever application where magnetic force pumps fluids without moving mechanical parts. It can be both a repulsive and attractive force. The fields are generated or created when the electric current/charges move. Calculate the force acting on the wire when the wire makes an angle of (i) 90 (ii) 0 with respect to the magnetic field. A charge q is moving with the velocity v with an angle with the field direction. It is given by: School Guide: Roadmap For School Students, Data Structures & Algorithms- Self Paced Course, Magnetic Field due to Current carrying Conductor, Magnetic Force on a Current carrying Wire, Problems on Force between Two Parallel Current Carrying Conductors, Difference between Coulomb Force and Gravitational Force, Difference between Gravitational Force and Electrostatic Force, Flow of Electric Charges in a Metallic Conductor. the external and internal b field interact which result in a magnetic force on a conductor. In A Levels, L represents the length of the conductor and hence, is treated as a scalar. Magnetic field lines seem to originate or start from the north pole and eliminate or merge at the south pole. This work is licensed by OpenStax University Physics under aCreative Commons Attribution License (by 4.0). Magnetic force is a force that occurs due to the interchange of magnetic fields. F = ILBsin0.3 = 3L0.5sin90L = 0.3/1.5. They are characterized using magnetic field lines. For part a, since the current and magnetic field are perpendicular in this problem, we can simplify the formula to give us the magnitude and find the direction through the RHR-1. Dynamo is an example of an electric generator. The battery you use every day in your TV remote or torch is made up of cells and is also known as a zinc-carbon cell. We contemplate a rod of identical length L and cross-sectional area A. Force on Current Carrying Conductor When the current flows through the conductor kept in a magnetic field then the charges on the conductor are in motion so it experiences a force (Lorentz force). Application of the Force on a Current Carrying Conductor in a Magnetic Field - Loudspeaker. (See Motion of A Moving Charge In An Uniform Magnetic Field) They are listed below: The magnetic field is commonly defined as an area where the force of magnetism works. The conductor is making 60 with the magnetic field. Question 1: State Flemings Left Hand Rule. This gave a new direction to the research on magnetism and its forces. F = ILBsinF = 20.50.3sin30 = 0.3/2. A circular current-carrying conductor is affected by a magnetic field. Magnetic force on current-carrying conductors is used to convert electric energy to work. (Motors are a prime examplethey employ loops of wire and are considered in the next section.) Magnetic force on current-carrying conductors is used to convert electric energy to work. When current is flowing through the conductor, a magnetic field is established around it. They are characterized using field lines which is the pictorial tool. In other words, a magnetic field can be described as the diffusion of magnetic force around a magnetic material or object. This will cause the coil to move to and fro according to the magnitude of the force. Now we will discuss the concept of the force as a result of the magnetic field in a straight current-carrying rod. ALL other conditions REMAINS THE SAME), Of course, if the resistance increases due to an increase in the length of the conductor, the current will drop. Why charge carrying conductor experiences a force even if it has net charge zero when kept in a magnetic field??? Sir or maam can u plz write the mathematical equation for finding force on a current carrying conductor placed in a magnetic field or F=BIL sin theta. F is force acting on a current carrying conductor,B is magnetic flux density (magnetic field strength), I is magnitude of current flowing through the conductor, l l is length of conductor, is angle that conductor makes with the magnetic field. We know that lightning is a kind of electricity and this provides proof that a compasss working is established on the Earths magnetic field. We have introduced the concept of force on a current-carrying conductor, Characteristics of Magnetic Field, Magnetic Field, Magnetic Field due to current-carrying wire, and Magnetic Force. Then, if the fingers point in the direction of fieldand the thumb in the direction of the current I, the normal to palm will point in the direction of the force. From the hand rule, the direction of force is vertical and the field strength is horizontal. H. C. Oersted was the first scientist who discovered that a current-carrying conductor generates a magnetic impact around it. The conductor is parallel to the magnetic field. It is given by: whereq is the charge,v is the velocity of the charge moving in a magnetic field,B is the magnetic field and is the angle between the charge and magnetic field. (But it is essentially a force on the moving free electrons). Read about the Zeroth law of thermodynamics. Calculate the magnetic force on a current-carrying conductor. Magnetic force on current-carrying conductors is used to convert electric energy to work. because it is a vector product deu to its direction, as it as vector product so vector angle which is sin is used correspondent to it, Because they are vector quantitity This field can originate inside the atoms of magnetic materials or within the electrical wires or conductors. Question 2: When the force acting on the current carrying conductor is maximum and state the equation of force. Short Answer Type Questions: When is the force experienced by a current-carrying conductor placed in a magnetic field largest? 05146d70412a4074946765e3f927b3fe, 1065e6a54e1240e4bb2e00ac2d41b020 The magnitude of the force on a current carrying conductor increases when the strength of the magnetic held is increased. Verified by Toppr. We contemplate a rod of identical length L and cross-sectional area A. Referring to the diagram above, F is Force, B is Magnetic field, I is current. Get subscription and access unlimited live and recorded courses from Indias best educators. Question 3: Write the vector form for the force acting on the current-carrying conductor. We contemplate a rod of identical length L and cross-sectional area A. Hence, they are characterised by a vector, They indicate the direction of the magnetic field, The magnetic field is powerful at the poles because the field lines are heavier near the poles. Effects of Magnetic Force on a moving charge in the existence of Magnetic Field. Assalamu Alaikum dear brother! A charge is a basic property associated with the matter due to which it produces and experiences electrical and magnetic effects. This force is the resultant of the forces acting on individual charged particles, which constitute the current. L represents the element of the current carrying conductor (that is in the magnetic field). To understand the calculation of the force on a current-carrying conductor, we need to understand the magnetic field. You know the expression of electric current, that is I = nqAvd I = n q A v d, so. $\theta$is angle that conductor makes with the magnetic field. Notify me of follow-up comments by email. It has been found by experiments that the magnitude of the force (F) acting on the conductor is directly proportional to . Get all the important information related to the JEE Exam including the process of application, important calendar dates, eligibility criteria, exam centers etc. Lets take a look at the equation: (assume $\theta = 90^{\circ}$), From the above equation, the following RELATIONSHIPS can be formed: Experimentally, we found that a magnetic force acts on the moving charge and is given by F=q (v x B). A magnetic field is an area surrounding magnetic objects. Now we will discuss the concept of the force as a result of the magnetic field in a straight current-carrying rod. Restart your browser. I believe that you are in the wrong section. Therefore, F B I l s i n . F = K B I l s i n . If the angle is at the vertical line it would have been cos theta. Calculate the force acting on it. MHD propulsion for nuclear submarines has been proposed, because it could be considerably quieter than conventional propeller drives. 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It is called the magnetic Lorentz force. Because force is a the resultant of B and L is Force which is a vector quantity. Download our apps to start learning, Call us and we will answer all your questions about learning on Unacademy, Access free live classes and tests on the app, Kerala Plus One Result 2022: DHSE first year results declared, UPMSP Board (Uttar Pradesh Madhyamik Shiksha Parishad). In a bar magnet, these lines are denser at the poles; hence the magnetic field at the poles will be greater than at the centre. A stronger magnetic field can be produced by: (a) Using more powerful magnets. while L is the length of conductor and it is a scaler quantity . The absence of moving parts makes this attractive for moving a hot, chemically active substance, such as the liquid sodium employed in some nuclear reactors. The tangent drawn to the magnetic field lines provides the direction of the magnetic field. Moving charges are responsible for establishing the magnetic field. It can therefore be shown that the force on a current-carrying conductor is given by the expression. sin. The magnetic force on current-carrying conductors is given by \[F = I l B \] where \(I\) is the current, and \(l\) the length of a straight conductor in a uniform magnetic field \(B\). F = I l B . Learn about the concepts of the force on the current-carrying conductor, magnetic field, characteristics of a magnetic field, and magnetic field due to current-carrying wire. This indicates a relationship between the magnetic field and the moving electric charge (current). The four fingers indicate the direction of flux created which will be perpendicular to the direction of current flow. In 1820, HC Oersted proved that electric current creates a magnetic field. Experimental artificial hearts are testing with this technique for pumping blood, perhaps circumventing the adverse effects of mechanical pumps. When the current flows through the conductor kept in a magnetic field then the charges on the conductor are in motion so it experiences a force (Lorentz force). It can therefore be shown that the force on a current-carrying conductor is given by the expression (9.6.1) F = I l B where I is the current, l is the length of the conductor, and B is the strength of the magnetic field. Magnetic field lines are imaginary lines found around a magnet that define the direction and strength of the magnetic field. The conductor is perpendicular to the magnetic field. This page titled 9.6: Magnetic Force on a Current-Carrying Conductor is shared under a CC BY license and was authored, remixed, and/or curated by OpenStax. The cross-product of L and B will give rise to the $\sin \theta$. Read on to know more. Solution. Hope you have got some idea, Thanks! Vector form for the force acting on the current-carrying conductor is given by: Question 4: When the force on the current-carrying conductor is zero. Force on a current-carrying conductor is given by F = (nAL)qvd B. 1) A moving electron will experience a force in a magnetic field. And the force created in a magnetic field is called Magnetic Force. This is the force on a current-carrying conductor. Paul Peter Urone(Professor Emeritus at California State University, Sacramento) and Roger Hinrichs (State University of New York, College at Oswego) withContributing Authors: Kim Dirks (University of Auckland) andManjula Sharma (University of Sydney). Motors are a prime examplethey employ loops of wire and are considered in the next section. When sin = 1 (maximum) i.e., = 90, then force on the current element in a magnetic field is maximum (=ILB). Magnetohydrodynamics (MHD) is the technical name given to a clever application where magnetic force pumps fluids without moving mechanical parts. Here are the few things that you will need before we start: . Michael Faraday observed this and believed that if an electric current can create a magnetic field, then a magnetic field can also create a current. Magnetic field lines do not bisect one another. When the angle between the length of the current-carrying conductor and the magnetic field is 0 i.e., both current-carrying conductors are collinear then force F =0. Where, k is constant of proportionality and its value is unity in . The conductor has a huge number of electrons, and the current in the conductor means the drifting of free electrons in any of the fixed direction, as each electron experiences the magnetic force due to the motion of free electrons. (i.e. Magnetic force is a force that occurs due to the interchange of magnetic fields. F is force acting on a current carrying conductor,B is magnetic flux density (magnetic field strength). A current element in a magnetic field does not experience any force if the current in it is collinear with the field. Force on a current carrying conductor in a magnetic field (Hindi) | Physics | Khan Academy - YouTube #YouCanLearnAnything Force on a current carrying conductor in a magnetic field (Hindi) |. Magnetic force on current-carrying conductors is used to convert electric energy to work. The direction of this force is given by RHR-1, with the thumb in the direction of the current \(I\). Physics lab for 120 about force on a current conductor in a magnetic field. Stretch the forefinger, central finger, and thumb of the left hand mutually perpendicular.Then if the forefinger points in the direction of the field (), the central finger in the direction of current I, the thumb will point in the direction of the force.. Furthermore, from 2), we know that more free electrons will be available for a longer conductor. Drive an expression for the magnitude of the force in a current-carry conductor in a magnetic field. To understand the calculation of the force on a current-carrying conductor, first, we need to understand the magnetic field. We see that, the conductor 1 experiences the same force due to the conductor 2 but the direction is opposite. The drift velocity of each portable carrier is presumed to be assigned as vd. It can be both a repulsive and attractive force. Can i know why does the length of current-carrying conductor affect the force on conductor? The drift velocity of each portable carrier is presumed to be assigned as vd. Let's watch this amazing topic of "Force on a Current Carrying Conductor Placed in a Magnetic Field" with proper explanation, Abhishek Sir will explain about What is Force on a Current Carrying. The thermal velocities of the free electrons are randomly oriented and so net force on them is zero. The vector form of the formula for finding force on the current-carrying conductor is given by. Learn about the zeroth law definitions and their examples. 13.5kN C. 1.35N D. 1.35kN Answer: B Magnetic field lines are a pictorial tool used to picture the strength and the direction of the magnetic field. (Just use $F = BIl$). Why does a solenoid contract when a current is passed through it ? (See Figure 3.) Understand the concepts of Zener diodes. Force on a current carrying conductor in a magnetic field H.A.Lorentz found that a charge moving in a magnetic field, in a direction other than the direction of magnetic field, experiences a force. I is magnitude of current flowing through the conductor. (c) Placing the magnets closer to each other to narrow the gap between the poles of . In this article, you will find all the essential concepts related to the force on a current-carrying conductor. Existing MHD drives are heavy and inefficientmuch development work is needed. Thanks for your detailed and resourceful reply. However, the force may or may not drop!! A particular region in space around the magnet where the magnet has its magnetic effect is called the magnetic field of the magnet. what does this tell us about how changes in current will affect the force using on a wire that is when kept inside a magnetic field, The higher the current $\rightarrow$ the stronger the force, what relationship exist between magnetic force and current through conductor, It is directly proportional. Hence, L contains the length of the conductor (scalar part) and the direction of the conductor (vector part). Magnetic field lines have both magnitude and direction at any point on the magnetic field. The force on a segment of length L of the conductor 2 due to the conductor 1 can be given as, F 21 = I 2 L B 1 = 0 I 1 I 2 2 d L Similarly, we can calculate the force exerted by the conductor 2 on the conductor 1. 13.5N B. In the conducting rod, let the number density of portable electrons be given by n. Then the sum of the number of charge carriers is given by nAI, where I refer to the steady current in the rod. Magnetic force on current-carrying conductors is used to convert electric energy to work. F = I lBsin = I l B (1) (1) F = I l B sin = I l . As we slowly disassemble our nuclear weapons arsenals, the submarine branch will be the last to be decommissioned because of this ability (Figure \(\PageIndex{4}\)). When we join the points, it indicates the magnetic field lines. Magnetohydrodynamics (MHD) is the technical name given to a clever application where magnetic force pumps fluids without moving mechanical parts. Correct option is B) The force experience by conductor is given by F=i(lBsin) In a current carrying conductor ,free electron move with a drift velocity and they feel magnetic force, but the positive ions are stationary ,so they don't feel any magnetic force.So net charge on current carrying conductor is zero. For your second question, you are applying your knowledge incorrectly. In a magnetic field, the subatomic particles with the -ve charge. number of free electrons per unit length of conductor), From 2), a current flowing through a conductor will essentially mean that free electrons are moving through the conductor. Describe the effects of a magnetic force on a current-carrying conductor. Fleming's left-hand rule can be used to determine the force's direction. It says if we, stretch the fingers and thumb of the right hand at right angles to each other. Factors affecting magnetic force on a current-carrying conductor in a magnetic field: When the conductor is perpendicular to the magnetic field, the force will be maximum. A strong magnetic field is applied across a tube and a current is passed through the fluid at right angles to the field, resulting in a force on the fluid parallel to the tube axis as shown. Use right hand thumb rule. $$\begin{aligned} F &\propto B \\ F &\propto I \\ F &\propto l \end{aligned}$$, From the third relationship ($F \propto l$) and $F = BIl$, we can say that the force on a current-carrying conductor will increase IF the length of the conductor increases AND the current and magnetic field strength REMAINS THE SAME. This video explains force on a current carrying conductor.This is a product of Mexus Education Pvt. The magnetic field is established due to the force exerted by the flow of moving charges. The fields are generated or created when the electric current/charges move within the proximity of the magnet. What is difference between magnet and magnetism, Magnet is a substace having a property of magnetism(to attract or repel as per the condition.). (See Figure . The magnetic field is an area or an invisible space around a magnetic object or moving electric charge or material within which the force of magnetism works. The magnetic field is an area or an invisible space around a magnetic object or moving electric charge or material within which the force of magnetism works. A charge q moves with the velocity v with an angle in the field direction. When the conducting rod is positioned in an outer magnetic field of magnitude B, the force pertained on the portable charges or the electrons can be given as: Where q refers to the value of charge on the mobile carrier. Let, L is the length of the conductor, I is current flowing through it, q is the charges flowing through the conductor at the time 't', (Motors are a prime examplethey employ loops of wire and are considered in the next section.) Attempt Test: Force on Current Carrying Conductor | 10 questions in 10 minutes | Mock test for NEET preparation | Free important questions MCQ to study for NEET Exam | Download free PDF with solutions Magnetohydrodynamics (MHD) is the technical name given to a clever application where magnetic force pumps fluids without moving mechanical parts. What if force is halfed effect on magnetic feild, This is really good of you people ,I benefit from your contribution. This is a standard equation to calculate magnetic force. From 1), these moving free electrons will experience a force in a magnetic field. Magnetic flux density (B), Current through the conductor (I), and. Magnetohydrodynamics (MHD) is the technical name given to a clever application where magnetic force pumps fluids without moving mechanical parts. When sin = 0 (minimum) i.e., = 0 or 180, then force on the current element in a magnetic field is zero(minimum). Example 2: A force of 0.25 N is exerted by a magnetic field on a wire of 8 cm length, which is carrying a current of 3 Ampere placed at right angles to the field. The direction of the force can be realized by the right-hand rule and the . This is known as the Lorentz force law. Magnetohydrodynamics (MHD) is the technical name given to a clever application where magnetic force pumps fluids without moving mechanical parts. Home A Level Electromagnetism (A Level) Force on A Current-carrying Conductor. Now move the compass needle in another position and repeat the same process. (See Figure 3.) Force being a vector quantity, the component of that force in the direction drawn is the sine of the angle inclined at the horizontal lines. In this article, we have discussed the magnetic field and magnetic force. 2) A conductor has many free electrons. and A|nqvd| = I, the current through the conductor, This force in vector form can be written as. This article contains study material notes on force on a current-carrying conductor, magnetic field, characteristics of a magnetic field, and magnetic field due to current-carrying wire. Magnetic force on current-carrying conductors is used to convert electric energy to work. One of the important rules which are used in electrostatics is Flemings Left-hand Rule. Example 1: A current of 1A flows in a wire of length 0.1cm in a magnetic field of 0.5T. In the conducting rod, let the number density of portable electrons be given by n. . WHY L in the expression F=IL*B is a vector ?? Then, with the fingers in the direction of \(B\), a perpendicular to the palm points in the direction of \(F\), as in Figure 2. isnt it should be the shorter the length of conductor in the magnetic field,the greater the force on the conductor? Sine of the angle i.e. Resultantly the magnetic force is also experienced by the conductor. They indicate the direction of the magnetic field. I believe that you just stated the mathematical equation in your question? Or. At a higher level (University/College), L is NOT the length of the conductor. (Cell membranes, however, are affected by the large fields needed in MHD, delaying its practical application in humans.) Read on to know more. Available under the Creative Commons Attribution-Share Alike 3.0 Unported license. Administrator of Mini Physics. I will pay, Why magnetic field generate from N. pole & end in S.pole. By the end of this section, you will be able to: Because charges ordinarily cannot escape a conductor, the magnetic force on charges moving in a conductor is transmitted to the conductor itself. Learn about the zeroth law definitions and their examples. The conductor is making 45 with the magnetic field. Moving current generates a magnetic field around it and behaves like a magnet, and a magnet experiences some force when placed in this magnetic field. Also, learn about the efficiency and limitations of Zener Diode as a Voltage Regulator. Force on A Current Carrying Conductor in Magnetic Field 101,509 views Feb 12, 2018 1.5K Dislike Share Save Tutorials Point (India) Ltd. 2.8M subscribers Force on A Current Carrying Conductor in. Place the compass needle in one direction on a piece of paper that is positioned near the magnet and mark the direction where the needle points. A few special cases for finding force on the current carrying are. The notes are good. Magnetic force on current-carrying conductors is used to convert electric energy to work. It says if the forefinger, middle finger, and thumb of the left hand are stressed mutually perpendicular to each other such that the forefinger is along the direction of the magnetic field, the middle finger is along the direction of current then the thumb gives the direction of the force. where \( I \) is the current, \(l\) is the length of the conductor, and \(B\) is the strength of the magnetic field. Get subscription and access unlimited live and recorded courses from Indias best educators. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. For example, the effect of lightning when it strikes a ship causes the breakdown of compass needles, disturbing the navigation system. The magnetic force, exerted on a current-carrying conductor by a magnetic field, is perpendicular to the plane, containing the current and the magnetic field. acknowledge that you have read and understood our, Data Structure & Algorithm Classes (Live), Full Stack Development with React & Node JS (Live), Fundamentals of Java Collection Framework, Full Stack Development with React & Node JS(Live), GATE CS Original Papers and Official Keys, ISRO CS Original Papers and Official Keys, ISRO CS Syllabus for Scientist/Engineer Exam, Data Communication - Definition, Components, Types, Channels, Difference between write() and writelines() function in Python, Graphical Solution of Linear Programming Problems, Shortest Distance Between Two Lines in 3D Space | Class 12 Maths, Querying Data from a Database using fetchone() and fetchall(), Class 12 NCERT Solutions - Mathematics Part I - Chapter 2 Inverse Trigonometric Functions - Exercise 2.1, Torque on an Electric Dipole in Uniform Electric Field, Properties of Matrix Addition and Scalar Multiplication | Class 12 Maths. Unacademy is Indias largest online learning platform. In the same way, the magnet also exerts a force on the current-carrying conductor, which Flemings left-hand rule can determine. A magnetic field illustrates how a moving charge flows around a magnetic object. This phenomenon is called the magnetic effect of current. 11.4 Magnetic Force on a Current-Carrying Conductor - University Physics Volume 2 | OpenStax Uh-oh, there's been a glitch We're not quite sure what went wrong. Magnetic field lines construct a closed-loop. This will depend on the magnitude of the drop in the current and the magnitude of increase of the length of the conductor. Hence sine theta. This depends on the way winding is done in the solenoid, loosely wound conductor in the presence of magnetic attract each other and act as one current carrying conductor. The force on a current-carrying conductor is denoted as F = B i l sin and we know that = 90 F = 2 0.6 0.3 F = 0.36 N. So the force on the wire is 0.36N. Diagram by Jfmelero. We can denote $n$ as the linear charge density (i.e. This force of magnetism is normally generated as an outcome of shifting charges or some magnetic element. Hope you find this helpful. my question is why the longer the length of conductor in the magnetic field,the greater the force on the conductor? This force is then interpreted as the force on a current-carrying conductor. When the conducting rod is positioned in an outer magnetic field of magnitude B, the force pertained on the portable charges or the electrons can be given as: Where q refers to the value of charge on the mobile carrier. Force on a current carrying conductor in a magnetic field - Physics 479,754 views Sep 14, 2012 This is a physics video for Grade 10 students about force on a current carrying conductor in a. Understand the concepts of Zener diodes. When the conductor is perpendicular to the magnetic field, the force will be maximum. This is known as the Lorentz force law. This is a standard equation to calculate magnetic force. By using our site, you In the conducting rod, let the number consistency of portable electrons be given by n. Then the sum of the number of charge carriers is given by nAI, where I refer to the steady current in the rod. I do not understand your question. Ok, the above explains your first question. If you spot any errors or want to suggest improvements, please contact us. Clarification: The force in a current carrying conductor is directly proportional to the product of the two charges and inversely proportional to the square of the distance between them. (NCERT) Another important rule which is used in electrostatics is Right-Hand Palm Rule. Also, learn about the efficiency and limitations of Zener Diode as a Voltage Regulator. The moving charge does not feel any force when parallel to the magnetic field. This is to facilitate the editing and constant revisions of the notes. Hence, they are characterized by a vector. Let, L is the length of the conductor,I is current flowing through it,q is the charges flowing through the conductor at the time t,v is the velocity of the charge q,B is a Uniform magnetic field in which current carrying conductor is placed, F = qvBsin (Now, q = I t, and v = L / t ), where, is the angle between L and BL is the length of the conductorI is current flowing through itB is a Uniform magnetic field. Get all the important information related to the JEE Exam including the process of application, important calendar dates, eligibility criteria, exam centers etc. Legal. This field can originate inside the atoms of magnetic materials or within the electrical wires or conductors. The directions in the equation are handled by the $\sin \theta$. Sorry, the notes are only accessible online. The magnetic force on a current-carrying wire in a magnetic field is given by F = I l B. Calculate the force between two charges having magnitude 3nC and 2nC separated by a distance of 2micro m. 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