A Loop of Radius R = 3

question 7

Multiple Choice

A loop of radius r = 3.0 cm is placed parallel to the xy-plane in a uniform magnetic field = 0.75 T .The resistance of the loop is 18 Ω.Starting at t = 0,the magnitude of the field decreases uniformly to zero in 0.15 seconds.What is the magnitude of the electric current produced in the loop during that time?

• A) 0.79 mA
• B) 3.9 mA
• C) 1.7 mA
• D) 2.1 mA
• E) 0.20 mA

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