On a magnetic needle placed in a uniform magnetic field:
A
F 
0, τ 
0
0, τ 0
B
F 
0, τ = 0
0, τ = 0
C
F = 0, τ 
0
0
D
F = 0, τ = 0
Text Solution
Verified by ExpertsThe correct answer is:
C
In a uniform magnetic field, the torque acts on a magnetic needle but force does not. Therefore τ 
0, F = 0
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