A point charge is moving in clockwise direction in a circle with constant speed. Consider the magnetic field produced by the charge at a fixed point P (not at the center of circle) on the axis of the circle. Then,

Options

A. it is constant in magnitude only
B. it is constant in direction only
C. it is constant both in direction and magnitude
D. it is constant neither in magnitude nor in direction

Answer

A

Explanation

it is constant in magnitude only