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The Long Straight Wire in the Figure Has Current I

Question 28

Multiple Choice

The long straight wire in the figure has current I = 1 A flowing in it.A square loop which has 10-cm sides is positioned 10 cm away from the wire as shown.The loop is then moved in the positive x-direction with a speed v = 10 cm/s.If the loop has a resistance of 0.02 ohms,calculate the direction and the magnitude of the net force acting on the loop the instant the loop is made to move. The long straight wire in the figure has current I = 1 A flowing in it.A square loop which has 10-cm sides is positioned 10 cm away from the wire as shown.The loop is then moved in the positive x-direction with a speed v = 10 cm/s.If the loop has a resistance of 0.02 ohms,calculate the direction and the magnitude of the net force acting on the loop the instant the loop is made to move. A) 3 * 10<sup>-7</sup> N to the right B) 2 * 10<sup>-6</sup> N to the left C) 7 * 10<sup>-10</sup> N to the right D) 5 * 10<sup>-14</sup> N to the left


A) 3 * 10-7 N to the right
B) 2 * 10-6 N to the left
C) 7 * 10-10 N to the right
D) 5 * 10-14 N to the left

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