Physics, 26.11.2019 22:31 katiemaley19
Asquare loop of wire with side length a carries a current i1 . the center of the loop is located a distance d from an infinite wire carrying a current i2. the infinite wire and loop are in the same plane; two sides of the square loop are parallel to the wire and two are perpendicular as shown. 1. what is the magnitude, f , of the net force on the loop?
2. the magnetic moment m of a current loop is defined as the vector whose magnitude equals the area of the loop times the magnitude of the current flowing in it (m=ia), and whose direction is perpendicular to the plane in which the current flows. find the magnitude, f , of the force on the loop from part a in terms of the magnitude of its magnetic moment. express in terms of m, i2 ,a ,d , and uo .
Answers: 3
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Atrain is traveling at 30.0 m/s relative to the ground in still air. the frequency of the note emitted by the train whistle is 262 hz. the speed of sound in air should be taken as 344 m/s. what frequency (f approach) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and approaching it? what frequency (f recede) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and receding from it?
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Asquare loop of wire with side length a carries a current i1 . the center of the loop is located a d...
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