A Flat Circular Loop Carrying a Current Of $2.0 \mathrm {~A}$

question 24

Multiple Choice

A flat circular loop carrying a current of $2.0 \mathrm {~A}$ is in a magnetic field of $3.5 \mathrm {~T}$ . The loop has an area of $0.12 \mathrm {~m} ^ { 2 }$ and its plane is oriented at a $37 ^ { \circ }$ angle to the field. What is the magnitude of the magnetic torque on the loop?

• A) \(0.67 \mathrm {~N} \cdot \mathrm { m }\)
• B) \(0.10 \mathrm {~N} \cdot \mathrm { m }\)
• C) \(46 \mathrm {~N} \cdot \mathrm { m }\)
• D) \(0.51 \mathrm {~N} \cdot \mathrm { m }\)

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