A Flat Circular Loop of Wire Is in a Uniform

question 62

Multiple Choice

A flat circular loop of wire is in a uniform magnetic field of 0.30 T.The diameter of the loop is 1.0 m,and a 2.0-A current flows in it.What is the magnitude of the magnetic torque on the loop when the plane of the loop is parallel to the magnetic field?

• A)0.00 N ∙ m
• B)0.41 N ∙ m
• C)0.47 N ∙ m
• D)0.52 N ∙ m

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