A magnet is moved towards the coil
(i) quickly in one case, and
(ii) slowly in another case.

Then the induced emf is :

larger in case (i)

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smaller in case (i)

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equal in both

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larger or smaller depending upon the radius of the coil

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Solution

The correct option is B larger in case (i)
$E M F = - \frac{d ϕ}{d t}$
So, induced emf is inversely proportional to time, so, when time is less (i.e quickly) induced emf will be more.

Suggest Corrections

Similar questions

A magnet is brought towards a coil rapidly in the first case and gently in the second case. The induced e.m.f. will be:

A magnet is moved towards a coil (i) quickly (ii) slowly, then the induced charge is

e^{1}

q^{1}

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