Question

A charge of 1 C is placed at one end of a non-conducting rod of radius 0.4 m. The rod is rotated in a
vertical plane about a horizontal axis passing through the other end of the rod with an angular frequency 2 × 104 rad/sec. The magnetic field at a point on the axis of rotation at a distance 1 m from the center of the path is

Answer 1

Answer:

Explanation:

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