A rigid rectangular loop,which measures 0.30 m by 0.40 m,carries a current of 5.5 A,as shown in the figure.A uniform external magnetic field of magnitude 2.9 T in the negative x direction is present.Segment CD is in the xz-plane and forms a 35° angle with the z-axis,as shown.Find the magnitude of the external torque needed to keep the loop in static equilibrium.
A) 1.1 N • m
B) 0.73 N • m
C) 1.3 N • m
D) 1.4 N • m
E) 1.6 N • m

Question

A rigid rectangular loop,which measures 0.30 m by 0.40 m,carries a current of 5.5 A,as shown in the figure.A uniform external magnetic field of magnitude 2.9 T in the negative x direction is present.Segment CD is in the xz-plane and forms a 35° angle with the z-axis,as shown.Find the magnitude of the external torque needed to keep the loop in static equilibrium. 
A) 1.1 N • m 
B) 0.73 N • m 
C) 1.3 N • m 
D) 1.4 N • m 
E) 1.6 N • m

Quizplus · Accepted Answer

The Answer of A rigid rectangular loop,which measures 0.30 m by 0.40 m,carries a current of 5.5 A,as shown in the figure.A uniform external magnetic field of magnitude 2.9 T in the negative x direction is present.Segment CD is in the xz-plane and forms a 35° angle with the z-axis,as shown.Find the magnitude of the external torque needed to keep the loop in static equilibrium. 
A) 1.1 N • m 
B) 0.73 N • m 
C) 1.3 N • m 
D) 1.4 N • m 
E) 1.6 N • m

A Rigid Rectangular Loop,which Measures 0