A magnetic needle suspended parallel to a magnetic field requires \sqrt3J of work to turn it through 60°. The torque needed to maintain the needle in this position will be (2012 Mains)

Class 12 NEET Physics Magnetism and Matter Questions

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A magnetic needle suspended parallel to a magnetic field requires √3J of work to turn it through 60°. The torque needed to maintain the needle in this position will be

(2012 Mains)

2√3J
3J
√3J
3
2
J

Validate

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