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A circular coil carrying current I has r...

A circular coil carrying current I has radius R and magnetic field at the centre is B. The distance from the centre along the axis of the same coil where the magnetic field will be `B/8` is

A

`Rsqrt2`

B

`Rsqrt3`

C

2R

D

3R

Text Solution

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The correct Answer is:
B
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