A square current-carrying loop is placed in a uniform magnetic field B, with the plane of the loop perpendicular to the direction of the field. The dashed line is the axis of rotation. The magnetic field exerts _____ neither a net force nor a net torque on the loop. a net force and a net torque on the loop. a net force, but not a net torque , on the loop. a net torque, but not a net force, on the loop.