Question 6: NCERT Solutions for 12th Class Physics: Chapter 5-Magnetism and Matter
If the solenoid in the previous question is free to turn about the vertical direction and a uniform horizontal magnetic field of 0.25 T is applied, what is the magnitude of torque on the solenoid when its a×is makes an angle of 30° with the direction of applied field?
Solution:

The solenoid behaves as a bar magnet
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NCERT Solutions for 12th Class Physics: Chapter 5-Magnetism and Matter