A Circular Coil of Wire Has 25 Turns and Has

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