PhysicsEasy49×since 2003Q7607A magnetic needle lying parallel to a magnetic field requires WWW units of work to turn it through 60∘.{60^ \circ }.60∘. The torque needed to maintain the needle in this position will be :A3 W\sqrt 3 \,W3WBWWWC32W{{\sqrt 3 } \over 2}W23WD2W2W2WCheck answerSkip