(a) A 200-turn circular loop of radius 50.0 cm is vertical, with its axis on an
Chapter 22, Problem 48(choose chapter or problem)
(a) A 200-turn circular loop of radius 50.0 cm is vertical, with its axis on an east-west line. A current of 100 A circulates clockwise in the loop when viewed from the east. The Earths field here is due north, parallel to the ground, with a strength of 3.00105 T . What are the direction and magnitude of the torque on the loop? (b) Does this device have any practical applications as a motor?
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