A magnetic needle lying parallel to a magnetic field requires W units of work to turn it through 60^{\circ}. The torque needed to maintain the needle in this position will be [AIEEE 2003]

Magnetism and Matter

Section: Physics

Question : 72 of 73

Marks: +1, -0

A magnetic needle lying parallel to a magnetic field requires W units of work to turn it through 60∘. The torque needed to maintain the needle in this position will be

[AIEEE 2003]

√3w
W
√3
2
w
2w

Validate

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