# Axis of a solid cylinder of infinite length and radius R lies along y-axis it carries a uniformly distributed current 'i' along +y direction.

+1 vote
45.2k views
in JEE

Axis of a solid cylinder of infinite length and radius R lies along y-axis it carries a uniformly distributed current 'i' along +y direction. Magnetic field at a point (R/2,y,R/2) is

by (65.3k points)

The correct answer is option (A).

Explanation:

The magnitude of magnetic field at P(R/2,y,R/2) is

unit vector in direction of magnetic field is