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A Circular Coil of Wire Has 25 Turns and Has

Question 60

Multiple Choice

A circular coil of wire has 25 turns and has a radius of 0.075 m. The coil is located in a variable magnetic field whose behavior is shown on the graph. At all times, the magnetic field is directed at an angle of 75° relative to the normal to the plane of a loop. What is the average emf induced in the coil in the time interval from t = 5.00 s to 7.50 s? A circular coil of wire has 25 turns and has a radius of 0.075 m. The coil is located in a variable magnetic field whose behavior is shown on the graph. At all times, the magnetic field is directed at an angle of 75° relative to the normal to the plane of a loop. What is the average emf induced in the coil in the time interval from t = 5.00 s to 7.50 s? A) -18 mV B) -49 mV C) -92 mV D) -140 mV E) -180 mV


A) -18 mV
B) -49 mV
C) -92 mV
D) -140 mV
E) -180 mV

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