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NEETPhysicsMagnetic Properties of Matter

What is the magnetic moment associated with a closely wound solenoid with 2000 turns, a cross-sectional area of 1.6 × 10 -4 m², and carrying a current of 4.0 A, when it is suspended through its center and allowed to turn in a horizontal plane?

Options

  1. A0.64 A m²
  2. B1.28 A m²
  3. C2.56 A m²
  4. D3.84 A m²

Correct answer

B. 1.28 A m²

Step-by-step solution

Correct Option is : (B) 1.28 A m²

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