10 A and 2A currents are passed through two parallel wires A and B respectively in the opposite directions. If the wire A is infinitely long and the length of wire B is 4 m, which is 10cm away from the wire A, calculate the force on the wire 'B'

Explanation

To solve the problem, we need to calculate the force on wire B due to the current in wire A. The formula for the force per unit length between two parallel currents is given by:

\[ F/L = \frac{\mu_0 I_1 I_2}{2\pi r} \]

where:
- \( F \) is the force between the wires,
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