FIGURE 22-8 -A Circular Loop of Wire of Radius 0.50 M Is

question 80

Multiple Choice

FIGURE 22-8
-A circular loop of wire of radius 0.50 m is in a uniform magnetic field of 0.30 T. The current in the loop is 2.0 A. What is the magnetic torque when the plane of the loop is parallel to the magnetic field?

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

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