A long horizontal wire carries a current of 48 A . A
Chapter 28, Problem 28.58(choose chapter or problem)
A long horizontal wire carries a current of 48 A . A secondwire, made of 1.00-mm-diameter copper wire and parallel tothe first, is kept in suspension magnetically 5.0 cm below(Fig. 28-57). (a) Determine the magnitude and direction ofthe current in the lower wire. (b) Is the lower wire in stableequilibrium? (c) Repeat parts (a) and (b) if the secondwire is suspended 5.0 cm abovethe first due to the firstsmagnetic field.FIGURE 28-57 58.
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