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A circular current carrying coil has a r...

A circular current carrying coil has a radius R. The distance from the centre of the coil on the axis where the magnetic induction will be `(1)/(8)` th to its value at the centre of the coil, is

A

`Rsqrt(3)`

B

`2Rsqrt(3)`

C

`R//sqrt(3)`

D

`2R//sqrt(3)`

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