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The ratio of the magnetic field at the c...

The ratio of the magnetic field at the centre of a current carrying circular wire and the magnetic field at the centre of a square coil made from the same length of wire will be

A

`(pi^(2))/(4sqrt(2))`

B

`(pi^(2))/(8sqrt(2))`

C

`(pi)/(2sqrt(2))`

D

`(pi)/(4sqrt(2))`

Text Solution

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The correct Answer is:
B
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