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Assertion (A): Only a change in magnetic flux will maintain an induced current in a closed coil.
Reason (R) :The presence of large magnetic flux through a coil is maintains a current in the coil if the coil is continuous.

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Both A and R are true and R is the correct Explanation of A

Both A and R are true and R is not the correct Explanation of A

A is false but R is true

A is true but R is false.

answer is D.

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Detailed Solution

$E M F' e' = - \frac{d ϕ}{d t}$

So change in magnetic flux produce EMF which in turn produce current provided circuit is closed

Therefore, EMF is produced by small change in flux also but a presence of flux without change will not produce EMF.

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