The workdone in turning a magnet of magnetic moment M by an angle of 90⁰ from the magnetic

The workdone in turning a magnet of magnetic moment M by an angle of 90⁰ from the magnetic meridian is n times the corresponding work done to turn it through an angle of 60⁰. The value of n is

Options

(a) 1
(b) 2
(c) (1/2)
(d) (1/4)

Correct Answer:

2

Explanation:

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