A coil of 150 turns of wire is in the form of a circle of diameter 7.5 cm,and sits in the center of a dipole magnet that produces a uniform magnetic field of strength 1.5 T.The torque on the coil has a maximum value of 0.25 Nm.What is the current in the coils?
A) 9.4 A
B) 200 mA
C) 4.7 mA
D) 63 mA
E) 94 mA

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The Answer of A coil of 150 turns of wire is in the form of a circle of diameter 7.5 cm,and sits in the center of a dipole magnet that produces a uniform magnetic field of strength 1.5 T.The torque on the coil has a maximum value of 0.25 Nm.What is the current in the coils?
A) 9.4 A
B) 200 mA
C) 4.7 mA
D) 63 mA
E) 94 mA

A Coil of 150 Turns of Wire Is in the Form