11. Figure 4 shows a square wire loop located below a long straight horizontal current carrying wire. Located a distance bbelow a long straight horizontal wire that carries a current lo to the right, as shown in Figure 4, is a square wire loop of edge length 2b and mass m. The loop carries a current which has been adjusted so that the net force exerted on the loop by the horizontal wire allows it to remain suspended in this position.

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Chapter1: Units, Trigonometry. And Vectors
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11. Figure 4 shows a square wire loop located below a long straight horizontal current carrying wire. Located a distance b below
a long straight
horizontal wire that carries a current lo to the right, as shown in Figure 4, is a square wire loop of edge length 2b and mass
m. The loop carries a
current which has been adjusted so that the net force exerted on the loop by the horizontal wire allows it to remain
suspended in this position.
lo
Figure 4
a) Why segments (2) and (4) of the square loop do not contribute to the net force on it?
b) Identify either segments (1) or (3) of the square loop has the largest magnitude of the force exerted by the long
horizontal wire?
c) In order to remain suspended in this manner, in what direction must the current in the square loop flow?
d) Calculate the magnitude of the current /that must flow in the square loop for it to remain suspended in this manner.
Start with official
starting equations and express your answer in terms of parameters given in the statement of the problem, and
fundamental constants.
Transcribed Image Text:11. Figure 4 shows a square wire loop located below a long straight horizontal current carrying wire. Located a distance b below a long straight horizontal wire that carries a current lo to the right, as shown in Figure 4, is a square wire loop of edge length 2b and mass m. The loop carries a current which has been adjusted so that the net force exerted on the loop by the horizontal wire allows it to remain suspended in this position. lo Figure 4 a) Why segments (2) and (4) of the square loop do not contribute to the net force on it? b) Identify either segments (1) or (3) of the square loop has the largest magnitude of the force exerted by the long horizontal wire? c) In order to remain suspended in this manner, in what direction must the current in the square loop flow? d) Calculate the magnitude of the current /that must flow in the square loop for it to remain suspended in this manner. Start with official starting equations and express your answer in terms of parameters given in the statement of the problem, and fundamental constants.
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