The work done in turning a magnet of magnetic moment M by an angle of 
from the meridian, is n times the corresponding work done to turn it through an angle of 
. The value of n is given by
Text Solution
Verified by ExpertsThe correct answer is:
A
Work done in rotating the dipole from θ 1 to θ 2 ,
From Eqs. (i) and (ii), we get
…..(iii)
…..(iv)
By comparing Eqs. (iii) and (iv), we get
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