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Question

The following cases in which no force is exerted by a magnetic field on a charge is
  1. moving with constant velocity
  2. moving in a circle
  3. at rest
  4. moving along a curved path

A
moving with constant velocity
B
moving in a circle
C
moving along a curved path
D
at rest
Solution
Verified by Toppr

FB=q(v×B)
if v=0,FB=0

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