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The coaxial solenoids are made by windin...

The coaxial solenoids are made by winding him insulated wire over a pipe of cross sectional area `A=10 cm^2` and length =20 cm. IF one of the solenoids has 300 turns and the other 400 turns, their mutual inductance is

A

`2.4 pi times 10^-4 H`

B

`2.4 pi times 10^-5 H`

C

`4.8 pi times 10^-4H`

D

`4.8a times 10^-5 H`

Text Solution

Verified by Experts

`M=(mu_0 N_1 N_2 A)/l`
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