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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > The square loop in Fig. has sides of length 20 cm. It has 5 turns and carries a current of 2 A. The normal to the loop is at 37∘ to a uniform field B = 0.5jˆT. a. Find the magnetic moment of the loop. b. Find the work needed to rotate the loop from its position of minimum energy to the given orientation.

The square loop in Fig. has sides of length 20 cm. It has 5 turns and carries a current of 2 A. The normal to the loop is at 37∘ to a uniform field B = 0.5jˆT. a. Find the magnetic moment of the loop. b. Find the work needed to rotate the loop from its position of minimum energy to the given orientation.

find the resultant magnetic force and torque about C and P. In the figure