Mathematics

Problem

Two long parallel wires are

4.0\,\text{cm}

apart and carry currents of

6\,\text{A}

and

9\,\text{A}

in the same direction. At what distance from the

6\,\text{A}

wire (along the line joining the wires) will the net magnetic field be zero? a)

2.4\,\text{cm}

1.0\,\text{cm}

1.6\,\text{cm}

1.8\,\text{cm}