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Find the mutual inductance of two long c...

Find the mutual inductance of two long concentric solenoids for a length I. The area of cross-section of inner solenoid is A and number of turns per unit length are `n_(1)` and `n_(2)`.

A

`mu_(0)pib^(2)n_(1)n_(2)L`

B

`mu_(0)pia^(2)n_(1)n_(2)L^(2)`

C

`mu_(0)pia^(2)n_(1)n_(2)L`

D

`mu_(0)b^(2)n_(1)n_(2)L^(2)`

Text Solution

Verified by Experts

The correct Answer is:
C

The mutual inductance of the systemis
`M=mu_(0)pia^(2)n_(1)n_(2)l`
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