A cylindrical conductor of radius `'R'` carries a current `'i'`. The value of magnetic field
Channel: Doubtnut
Date: 2020-08-23

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