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What is the magnitude of the torque on the closely wound solenoid with 800 turns and a cross-sectional area of 2.5 × 10 –4 m², carrying a current of 3.0 A, when its axis makes an angle of 30° with a uniform horizontal magnetic field of 0.25 T?

Options

  1. A0.1 J
  2. B0.75 J
  3. C0.075 J
  4. D1.00 J

Correct answer

C. 0.075 J

Step-by-step solution

Correct Option is : (C) 0.075 J

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