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Two coils X and Y are placed in a circui...

Two coils X and Y are placed in a circuit such that when the current changes by 2 A in coil X. The magnetic flux changes by 0.4 Wb in Y. The value of mutual inductance of the coils is

A

`0.8H`

B

`0.2H`

C

`0.5H`

D

`5H`

Text Solution

Verified by Experts

The correct Answer is:
B
From `phi=Ml`
`:.M=(phi)/l=0.4/2=0.2H`
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