1.

Through two parallel wires A and B, 10 and 2 ampere of currents are passed respectively in opposite direction. If the wire A is infinitely long and the length of the wire Bis 2m, the force on the conductor B, which is situated at 10cm distance from A will be

Answer»

`8 xx 10^(-5) N`
`4 xx 10^(-5) N`
`4 xx 10^(-7) N`
`4 pixx 10^(-7) N`

Answer :A


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