A Rigid Rectangular Loop, Measuring 0

question 49

Multiple Choice

A rigid rectangular loop, measuring 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 -x direction is present. Segment CD is in the xz-plane and forms a 35° angle with the z-axis, as shown. What is the magnitude of the torque that the magnetic field exerts on the loop?

• 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

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