Questions
According to Faraday's law of electromagnetic induction
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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
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Correct option is B
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.Similar Questions
A square wire loop, of side a has a long straight wire carrying a constant current i that passes through the centre of the loop and perpendicular to its plane as shown in Fig.
The current induced in the square loop is
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