An iron rod of volume 10–4 m3 and relative permeability 1000 is placed inside a long solenoid wound with 5 turns per cm. if a current of 0.5 a is passed through the solenoid, find the magnetic moment of the rod.
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An iron rod of volume 10-4m3 and relative permeability 1000 is placed inside a long solenoid wound with 5 turns/cm. If a current of 0⋅5A is passed through the solenoid, find the magnetic moment of the rod. For a solenoid of n turns per unit length carrying current i,H=ni.
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