A magnet of magnetic moment M is lying in a magnetic field of induction B. W₁ is the work done in turning it from 0° to 60° and

Question

A magnet of magnetic moment M is lying in a magnetic field of induction B. W₁ is the work done in turning it from 0° to 60° and W2 is the work done in turning it from 30° to 90°. Then
A. W2 =W1/2
B. W2 = 2 W1
C. W2 = W1
D. W₂ = √3W₁

Kunduz · Accepted Answer

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