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?

By: |Published on: Jan 3|Categories: Physics WAEC| 0 comments

A. Upward
B. North
C. South
D. West

Correct Answer: Option D

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.

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