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(Solved): 16. (a) A 200-turn circular loop of radius 50.0cm is vertical, with its axis on an east-west line ...
16. (a) A 200-turn circular loop of radius 50.0cm is vertical, with its axis on an east-west line. A current of 100A circulates clockwise in the loop when viewed from the east. Earth's field here is due north, parallel to the ground, with a strength of 3.0×10?5T. What are the direction and magnitude of the torque on the loop? (b) Does this device have any practical applications as a motor?