Question

A long straight wire carries a currant to the north . A second long straight wire 0.5m vertically above the First wire carry an identical current to the east . Both wires are long enough to be considered infinite in length. What is the direction of net force on the top wire because of current in the bottom wire
A up
B down
C north
D South

Answer 1

the direction of net force on the tip wire is down

Answer 2

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the direction of tip wire is down