Question: A long horizontal wire carries a current a of 48 A.A second wire, made of 2.5-mm-diameter copper wire and parallel to the first, is kept

A long horizontal wire carries a current a of 48 A.A second wire, made of 2.5-mm-diameter copper wire and parallel to the first, is kept in suspension magnetically 15 cm below (Fig. 20-58).
(a) Determine the magnitude and direction of the current in the lower wire.
(b) Is the lower wire in stable equilibrium?
(c) Repeat parts (a) (b) if the second wire is suspended 15cm above the first due to latter€™s field.

1= 48 A 15 cm I=?

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a The magnetic force exerted on the lower wire must be upwards and must be the same magnitude as the ... View full answer

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