A Flat Circular Loop of Wire of Radius 0 $\vec { B }$

question 67

Multiple Choice

A flat circular loop of wire of radius 0.50 m that is carrying a 2.0-A current is in a uniform magnetic field of 0.30 T.What is the magnitude of the magnetic torque exerted on the loop when the plane of its area is perpendicular to the $\vec { B }$ field?

• A)0.00 N ∙ m
• B)0.41 N ∙ m
• C)0.47 N ∙ m
• D)0.52 N ∙ m
• E)0.58 N ∙ m

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