(590) Problem 9: A 200 turn circular loop of radius 25 cm is vertical, with its
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Question
(590) Problem 9: A 200 turn circular loop of radius 25 cm is vertical, with its axis on a line running east to west. A current of 95 A circulates clockwise in the loop when viewed from the east. The Earth's field here is due north, parallel to the ground, with a strength of 2.9 x 10-5 T What is the magnitude of the torque on the loop, in N-m? Grade Su Deductioi Potential sin0 cosO cotan0asin acos0 atan0 acotan) sinhO cosh0 tanh cotanhO O Degrees Radians tan Submissi Attempts (0% pera detailed END CE Submit Feedback I give up!Explanation / Answer
torque = N I A B sin theta
= N I (pi * r2) B sin theta
= 200 * 95 * pi * (0.25)2 * 2.9 * 10-5 * sin 90
magnitude of the torque = 0.108 N.m
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