6.6 MOTIONAL ELECTROMOTIVE FORCE
Chapter 6: Chapter 6 · PHYSICS PART-1 · EN medium
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Let us consider a straight conductor moving in a uniform and time- independent magnetic field. Figure . shows a rectangular conductor PQRS in which the conductor PQ is free to move. The rod PQ is moved towards the left with a constant velocity v as shown in the figure. Assume that there is no loss of energy due to friction. PQRS forms a closed circuit enclosing an area that changes as PQ moves. It is placed in a uniform magnetic field B which is perpendicular to the plane of this system. If the length RQ = x and RS = l, the magnetic flux ΦB enclosed by the loop PQRS will be ΦB = Blx Since x is changing with time, the rate of change of flux ΦB will induce an emf given by: ( – d –
📖 NCERT Class 12 Physics Part 1 · Page 216
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Let us consider a straight conductor moving in a uniform and time- independent magnetic field. Figure . shows a rectangular conductor PQRS in which the conductor PQ is free to move. The rod PQ is moved towards the left with a constant velocity v as shown in the figure.
Assume that there is no loss of energy due to friction. PQRS forms a closed circuit enclosing an area that changes as PQ moves. It is placed in a uniform magnetic field B which is perpendicular to the plane of this system. If the length RQ = x and RS = l, the magnetic flux ΦB enclosed by the loop PQRS will be ΦB = Blx Since x is changing with time, the rate of change of flux ΦB will induce an emf given by: ( – d –
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