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The mutual inductance between a primary ...

The mutual inductance between a primary and secondary circuit is `0.5H`. The resistance of the primary and the secondary circuits are `20 ohms` and `5ohms` respectvely. To genrate a current of `0.4A` in the secondary,current in the primary must be changed at the rate of

A

`4.0 A//s`

B

`16.0A//s`

C

`1.6A//S`

D

`8.0A//S`

Text Solution

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The correct Answer is:
A
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