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Calculate the force per unit length on a...

Calculate the force per unit length on a long straight wire carrying current `4A` due to parallel wire carrying current `6A` current. Distance between the wires `=3cm`.

A

`2.4 xx 10^(-4) Nm^(-1)`

B

`2.1 xx 10^(-4) Nm^(-1)`

C

`1. 6 xx 10^(-4) Nm^(-1)`

D

`1.6 xx 10^(-8) Nm^(-1)`

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