A Circular Loop (Radius = 0

question 37

Multiple Choice

A circular loop (radius = 0.50 m) carries a current of 3.0 A and has unit normal vector of ( ) /3. What is the x component of the torque on this loop when it is placed in a uniform magnetic field of ( ) T?

• A) 4.7 N ⋅ m
• B) 3.1 N ⋅ m
• C) 19 N ⋅ m
• D) 9.4 N ⋅ m
• E) 12 N ⋅ m

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