Physics Moving Charge and Magnetism Motion of Charged Particle In Magnetic Field MCQ (Single Correct)

A charged particle enters a magnetic field B with its initial velocity making angle of with B. The path of the particle will be

A
straight line
B
a circle
C
an ellipse
D
a helix

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Verified by Experts
The correct answer is:
D

Velocity component which is perpendicular to magnetic field provide circular motion to charge particle and horizontal component which is parallel or along the magnetic field will provide it straight line motion. So the combined motion will form a helix.

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