A charged particle moves in a uniform magnetic field. The velocity of the particle at some instant makes an acute angle with the magnetic field. The path of the particle will be

Options

A. A straight line
B. A circle
C. A helix with uniform pitch
D. A helix with non uniform pitch

Answer

C

Explanation

When particle enters at angle other than `0^(@)` or `90^(@)` or `180^(@)`, path followed is helix.