The Figure Shows the Orientation of a Flat Circular Loop

question 75

Multiple Choice

The figure shows the orientation of a flat circular loop consisting of 50 closely wrapped turns each carrying a current I.The magnetic field in the region is directed in the positive z direction and has a magnitude of 50 mT.The loop can turn about the y axis.If θ = 20°,R = 0.50 m,and I = 12A,what is the magnitude of the torque exerted on the loop?

• A)8.1 N ⋅ m
• B)24 N ⋅ m
• C)22 N ⋅ m
• D)13 N ⋅ m
• E)16 N ⋅ m

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