Q.

Magnetic moment for a solenoid and corresponding bar magnet is

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a

equal for both

b

more for solenoid

c

more for bar magnet

d

none of these

answer is A.

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Detailed Solution

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Since a bar magnet and a corresponding solenoid produce similar magnetic fields. Hence the magnetic moment of a bar magnet is equal to the magnetic moment of an equivalent solenoid that produces the same magnetic field.

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