A long cylindrical conductor of radius R contains current of

Last updated: 6/30/2023

A long cylindrical conductor of radius R contains current of uniform density J Two small holes of radius r R 2 are drilled symmetrically throughout the length of the cylinder The axes of the holes are parallel to the axis of cylinder and at distance d from it in the same plane Magnetic field on the axis of one of the hole will be Mi 2 7 2 10 0 1 B 14 20 2nd R 2 A Hod 2 C Hod 2 d 2d B D none of the above 0