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NEET2024PhysicsMagnetic Effects of CurrentActual

The magnetic potential energy, when a magnetic bar of magnetic moment m is placed perpendicular to the magnetic field B is

Options

  1. A- m B 2
  2. BZero
  3. C-m B
  4. Dm B

Correct answer

B. Zero

Step-by-step solution

Potential energy stored in external magnetic field is given by U=- m B Angle between m and B is 90^ U=-m B 90^ =0

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