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The magnetic force on a charged particle moving with velocity v is

Physics
JAMB 2001

The magnetic force on a charged particle moving with velocity v is
  • A. proportional to both the magnitude of the charge and the velocity v
  • B. independent of the magnitude of the charge
  • C. proportional to the velocity v only
  • D. proportional to the magnitude of the charge only
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Correct Answer: Option A
Explanation
The magnetic force on a charge is given by
F = qVB Sinθ,
thus the force is proportional to both the magnitude by the charge (q) and the velocity (V)
(i/e F α qV)

There is an explanation video available below.


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Explanation Video

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