When a charged particle moving with velocity →V is subjected to a magnetic field of induction →B, the force on it is non-zero. This implies the
Angle between →V and →B is necessary 90o
Angle between →V and →B can have a value other than 90o
Angle between →V and →B can have a value other than zero and 180o
Angle between →V and →B is either zero or 180o
A
Angle between →V and →B is either zero or 180o
B
Angle between →V and →B is necessary 90o
C
Angle between →V and →B can have a value other than 90o
D
Angle between →V and →B can have a value other than zero and 180o
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Solution
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Force on a charged particle moving in a magnetic field is
→F=q(→v×→B)
Let the angle between →v and →B be θ
Hence ∣∣→F∣∣=qvBsinθ≠0
⟹sinθ≠0
⟹θ≠0∘,180∘
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