﻿ a long horizontal wire carries a current of 48 amps. A second wire made of 2.5 mm diameter copper

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### Question

a long horizontal wire carries a current of 48 amps. A second wire, made of 2.5 mm diameter copper wire and parallel to the first, is kept in suspension magnetically 15 cm below. Determine the magnitude and direction of the current in the lower wire.

### Solution

(x) - the xxx currents xxxx xx xx the xxxx direction xx xxxx xxxxx so xxxx the xxxxxx xxxx xx attracted xx the xxx xxx. Force xx attraction = x . Ii . Iii . x / d This xxxx xx xxxxx to xxx force xx xxxxxxy xx the xxxxxx wire . xx xxxx this xxx you xxxx xxx xxxxxxy of xxxxxx - x xxx'x xxxx what xx is. x) xxx equilibrium xx NOT xxxxxx. xxy xxxxxxxx from xxx equilibrium xxxxxxxx xxxx xxxxxx in xxxxxxxxx forces xxxy xxxx xxx equilibrium xxxxxxxx. x) xxx xxxxxxxx must xxx be xx xxxxxxxx xxxxxxxxxx to xxxx other. xxxy xxxxxx xx the xxxx size xx xx (x) and xxx equilibrium xxxx xxxx xx stable

a long horizontal wire carries a current of 48 amps. A second wire, made of 2.5 mm diameter copper wire and parallel to the first, is kept in suspension magnetically 15 cm below. Determine the magnitude and direction of the current in the lower wire.
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