Magnetic Field and Work - Department of Physics
· FAQ on Magnetic Field and Work ÎMagnetic force does no work. But an electric motor (=a current loop in B) does work. Where does this work come from? Magnetic force does no work on a moving charge Magnetic torque on a current loop does work: ∆W=τ∆θ ÎThere is no net force, only torque, on a current loop (=magnetic dipole moment) in B.