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A given wire is bent into a rectangular ...

A given wire is bent into a rectangular loop of size `15cm xx 5cm` and placed perpendicular to a magnetic field of 1.0 Tesla. Within 0.5sec, the loop is changed into a 10cm square and the field increases to 1.4 Tesla.Calculate the value of e.m.f. induced in the loop?

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The correct Answer is:
0.013V
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