In an overhead straight wire, the current is north.The magnetic field due to this current, at our point of observation, is:
A)east
B)up
C)north
D)down
E)west

Question

Quizplus · Accepted Answer

Using the right-hand rule, if the current is flowing north, the magnetic field at a point to the right of the wire (assuming we are facing the same direction as the current) will be directed towards the west.

In an Overhead Straight Wire, the Current Is North