Question

Wire A carries a current of 10 A, directed upward. Wire B is situated to the...

Wire A carries a current of 10 A, directed upward. Wire B is situated to the right of wire A, and carries a current of 10 A, directed downward. In which region(s) does there exist a point with a net magnetic field of zero?

A.

In more than one of the  above regions
B.

To the left of both wires
C.

There is no point with a net magnetic field of zero in any of the above regions
D.

To the right of both wires
E.

In between the two wires
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