A current of 2.4 A flows through a circular coil of wire with 52 turns and a
Question:
A current of 2.4 A flows through a circular coil of wire with 52 turns and a radius of 0.64 cm. The coil rotates in a uniform 0.12-T magnetic field.
(a) What is the maximum torque exerted on the loop of wire?
(b) The time-averaged torque on the loop is half its maximum value. If the moment of inertia of the loop is 2.5 × 10-5 kg • m2 and the loop undergoes constant angular acceleration, in what time will it have reached its maximum angular speed of 2500 rev/min?
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