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IMPORTANT
Earn 100
Find direction of induced current for the given cases :
(Where w.r.t. = with respect to time, ob = observer = )
Important Questions on Electromagnetic Induction
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Find direction of induced current in the given cases :-
(a) 
(b) 
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What is the direction of induced current in resistance ‘R’ ?
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What is the nature of the charge on the plates of capacitor ?
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Flux linked through following coils changes with respect to time then for which coil an e.m.f. is not induced :-
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A coil and a magnet moves with constant speeds and , respectively, towards each other. Then, induced emf in coil is . If both move in same direction, then induced emf in coil is,
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Magnetic flux (in Weber) linked with a closed circuit of resistance varies with time (in seconds) as . The induced emf in the circuit at is,
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Magnetic flux linked through the coil changes with respect to time according to following graph, then induced emf v/s time graph for coil is:-
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The radius of a circular coil having . Its plane is normal to the magnetic field. The magnetic field changes from . The induced emf in coil will be,
