The Figure Shows the Orientation of a Rectangular Loop Consisting

question 27

Multiple Choice

The figure shows the orientation of a rectangular loop consisting of 80 closely wrapped turns each carrying a current I. The magnetic field in the region is ( ) mT. The loop can turn about the y axis. If θ = 30°, a = 0.40 m, b = 0.30 m, and I = 8.0 A, what is the magnitude of the torque exerted on the loop?

• A) 2.5 N ⋅ m
• B) 1.5 N ⋅ m
• C) 3.1 N ⋅ m
• D) 2.7 N ⋅ m
• E) 0.34 N ⋅ m

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