Magnetic Effects Of Current Question 302

Question: 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 [MP PMT 1999]

Options:

A) A straight line

B) A circle

C) A helix with uniform pitch

D) A helix with non-uniform pitch

Show Answer

Answer:

Correct Answer: C

Solution:

When particle enters at angle other than 0° or 90° or 180°, path followed is helix.