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 exerted 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
Correct Answer:
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