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The inductance of a coil is 60muH. A cur...

The inductance of a coil is `60muH`. A current in this coil increase from `1.0 A` to `1.5 A` in `0.1` second. The magnitude of the induced e.m.f. is

A

`60xx106(-60 V`

B

`300xx10^(-4) V`

C

`30xx10^(-4) V`

D

`3xx10^(-4)V`

Text Solution

Verified by Experts

The correct Answer is:
D
`e=L(di)/(dt)60xx10^(-6).((1.5-1.0))/(0.1)=3xx10^(-4)`volt
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A2Z-ELECTROMAGNETIC INDUCTION-Motional And Rotational Emf
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