Two magnets of equal masses are joined at right angles to each other, as shown. The magnet 1 has a magnetic moment three times that of magnet 2. This arrangement is pivoted so that it is free to rotate in the horizontal plane. In equilibrium, what angle will the magnet 1 subtend with the magnetic meridian?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
For equilibrium of the system torques on m 1 and m 2 due to B H must counter balance each other i.e., if θ is the angle between m 1 and B H will be 
; so 
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