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# When the downward current flows in a straight vertical conductor, the direction ...

### Question

When the downward current flows in a straight vertical conductor, the direction of its magnetic field at a point due north of the wire is

A) Upward

B) North

C) South

D) West

### Explanation:

At a point due N of the wire, the field is due east, at a point due S of the wire, the field is due west.

## Dicussion (1)

• At a point due N of the wire, the field is due east, at a point due S of the wire, the field is due west.