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Find the appoximate formula expressing...

Find the appoximate formula expressing the mutual inductance of two thin coaxial loops of the same radius `a` if their centres are separated by a distance `l`, with `l gt gt a`

A

`(1)/(2)(mu_(0)pi a^(4))/(1^(3))`

B

`(1)/(2)(mu_(0)pi a^(4))/(1^(2))`

C

`(mu_(0))/(4pi)(pia^(2))/(1^(2))`

D

`(mu_(0))/(pi)(a^(4))/(1^(3))`

Text Solution

Verified by Experts

The correct Answer is:
A
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