Magnetic field at the centre of a circul...

Magnetic field at the centre of a circular coil of rradius R due to current I flowing through it is B. The magnetic field at a point along the axis at distance R from the centre is

A

`B/4`

B

`B/2`

C

`sqrt 8 B`

D

`B/sqrt 8`

Text Solution

Verified by Experts

The correct Answer is:

D

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