Torque: A flat rectangular loop of wire carrying a 4.0-A current is placed in a uniform 0.60-T magnetic field. The magnitude of the torque acting on this loop when the plane of the loop makes a 30° angle with the field is measured to be 1.1 N ? m. What is the area of this loop?
A. 0.20 m2
B. 0.40 m2
C. 0.26 m2
D. 0.80 m2
E. 0.53 m2
Answer: E
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