Q82. A magnetic needle, initially parallel to a magnetic field, is rotated by 60°. If the work done in this process is W, what is the torque required to maintain the needle in this new position?Physics — NUST Mock By IBAGRADS 5 — Question 82 of 200A. √3 WB. (√3/2) WC. W/2D. 2WPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →