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The coefficient of mutual inductance of ...

The coefficient of mutual inductance of the two coils is `0.5 H`. If the current is increased from `2` to `3` `A` in `0.01 sec`. In one of them, then the induced e.m.f. in the second coil is :

A

25 V

B

50 V

C

75 V

D

100 V

Text Solution

Verified by Experts

The correct Answer is:
B
Iduced emf = `M ""(di)/(dt) =0.5 (3-2)/(0.01) = 50 V `
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