A pair of long, parallel wires, wire 1 and wire 2, are carrying currents \( I_1 \) and \( I_2 \) respectively. The vector force per unit length of wire 1 on wire 2 is \( f_0 \). If the distance between them is changed by a factor of 0.7 and the current in one of the wires is reversed and changes in magnitude by a factor of 2, what is the new force per unit length, \( f_{\text{new}} \), in terms of the original force per unit length, \( f_0 \)? Supply the missing numerical factor below.\[ f_{\text{new}} = (\_\_\_\_)f_0 \][Input Box]

here we will find for the required factor

Answered: A pair of long, parallel wires, wire 1…

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