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Two coils of self-inductance 2mH and 8 ...

Two coils of self-inductance `2mH` and `8 mH` are placed so close together that the effective flux in one coil is completely linked with the other. The mutual inductance between these coil is

A

4 mH

B

16 mH

C

10 mH

D

6 mH

Text Solution

Verified by Experts

The correct Answer is:
A
`M=1sqrt(L_(1)L_(2))=sqrt(2xx8)=4mH" "(becausek=1)`
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