A long vertical wire carrying a current of 1A in the upward direction is placed in a region where a horizontal magnetic field of `2.0 xx 10^(-4) T` exists from south to north. The point where the resultant magnetic field is zero

Options

A. 1.0 mm, to the West of the wire
B. 1.0 mm, to the East of the wire
C. 2.0 mm, to the North of the wire
D. 2.0 mm, to the South of the wire

Answer

A