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JEE Main & Advanced Physics Magnetic Effects of Current / करंट का चुंबकीय प्रभाव Question Bank Mock Test - Magnetics

  • question_answer
    An iron rod of volume \[{{10}^{-4}}{{m}^{3}}\]and relative permeability1000 is placed inside a long solenoid wound with 5 turns/cm. If a current of 0.5 A is passed through the solenoid, then the magnetic moment (in\[A{{m}^{2}}\]) of the rod is_______.

    Answer:

    25


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