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A cylindrical conductor of radius 'R' ca...

A cylindrical conductor of radius `'R'` carries a current `'i'`. The value of magnetic field at a point which is `R//4` distance inside from the surface is `10 T`. Find the value of magnetic field at point which is `4R` distance outside from the surface

A

`4/3 T`

B

`8/3 T`

C

`40/3 T`

D

`80/3 T`

Text Solution

Verified by Experts

The correct Answer is:
B
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