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A coil having an area of 2m^2 is placed ...

A coil having an area of `2m^2` is placed in a magnetic field which changes from `2Wb/m^2` to `5Wb/m^2` in 3 sec. What will be the e.m.f. induced in the coil?

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Verified by Experts

e = `(-dphi)/dt` = `[A[B_2-B_1]]/t` = `2xx3/3` = 2V
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