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A circular coil with a cross-sectional a...

A circular coil with a cross-sectional area of `4cm^(2)` has 10 `"turns"`/`cm`. It is placed at the centre of a long solenoid that has 15 `"turns"`/`cm` and a cross-sectional area of 10`cm^(2).` The axis of the coil coincides with the axis of the solenoid. What is their mutual inductance ?

A

`7.54 mu H`

B

`8.54 mu H`

C

` 9.54 mu H`

D

`10.54 mu H`

Text Solution

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The correct Answer is:
A
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