Resources ter 22 Homeork Interaction of a Current Loop with a Magnetic Field a p

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Resources ter 22 Homeork Interaction of a Current Loop with a Magnetic Field a previous | 6of 9 n raction of a Current Loop with a Magnetic Field The net torque acting on the loop is zero, but the loop continues to rotate in a counterclockwise direction. The net torque acting on the loop is zero; therefore it stops rotating. The net force acting on the loop is zero, so the loop must be in equilibrium. e effects due to the interaction of a current-carrying loop with magnetic field have many applications, some as common as e electric motor. This problem illustrates the basic principles of My Answers Give Up Correct Part D Now suppose that you change the inital angular position of the loop relative to B, and assume that the loop is placed In such a way that initilly the angle between the sides of length b and is 120 as shown in the figure (E gure4) Will the interaction of the current through the loop with the magnetic field cause the loop to rotate? ure 4 Hints (current coming up) Yes, the net torque acting on the loop is negative and tends to rotate the loop in the direction of decreasing angle (clockwise). Yes, the net torque acting on the loop is positive and tends to rotate the loop in the direction of increasing angle (counterclockwise). No, the net torque acting on the loop is zero and the loop is in equilibrium. No, the net force acting on the loop is zero and the loop is in equilibrium. (current going down) My Answers Give Up Submit (view from above) Continue 9:13 PM 10/11/2017 } Type here to search

Explanation / Answer

The correct answer to part D is:

Yes, the net torque acting on the loop is negative and tends to rotate the loop in the direction of decreasing angle theta(clockwise)

if theta is <90 deg the bet torque will be rotating the loop in CCW direction but if theta > 90 deg and less than 180 deg then the torque will be negative and rotate the loop in CW direction.

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