Q47. A magnetic needle is placed in a uniform magnetic field and is aligned with the field. The needle is now rotated by an angle of 60 degrees and work done is W. The torque on the magnetic needle at this position isPhysics — Magnetism and Electromagnetic Induction Past Paper — Question 47 of 591A. 2√3 WB. √3 WC. √(3/2) WD. √(3/4) WPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →