MCQEasyJEE Main 2023 · 31 January, Shift 1Magnetic Dipole & Bar Magnet

Physics Question from JEE Main 2023 · 31 January, Shift 1

A bar magnet with a magnetic moment 5.0A m25.0 \, \text{A m}^2 is placed in parallel position relative to a magnetic field of 0.4T0.4 \, \text{T}. The amount of required work done in turning the magnet from parallel to antiparallel position relative to the field direction is:

  • A

    4J4 \, \text{J}

  • B

    1J1 \, \text{J}

  • C

    2J2 \, \text{J}

  • D

    Zero

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