First slide

Magnetic flux and induced emf

Question

According to Faraday's law of electromagnetic induction

Moderate

A

The direction of induced current is such that it opposes the cause producing it
B

The magnitude of induced e.m.f. produced in a coil is directly proportional to the rate of change of magnetic flux
C

The direction of induced e.m.f. is such that it opposes the cause producing it
D

None of the above

Solution

The rate at which the magnetic flux changes through the circuit is equal to the amount of the electromotive force (ε) developed in the circuit.

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