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Two coils of self inductance 100 mH and ...

Two coils of self inductance 100 mH and 400 mH are placed very closed to each other. Find maximum mutual inductance between the two when 4 A current passes through them.

A

200mH

B

300mH

C

`100sqrt(2)mH`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
Maximum mutual inductance:
`M=sqrt(L_(1)L_(2))=200mH`.
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