A vertical wire carries a steady current of downward through a hole in the centre of…
PHYSICS · Single correct · AP · Physics 2: Algebra-based · Magnetism and Electromagnetism · Magnetism and Electromagnetism
Problem
A vertical wire carries a steady current of 3A downward through a hole in the centre of a cardboard sheet. A small magnetic compass is placed 2cm north of the wire on the sheet. Neglecting Earth’s field, toward which direction will the north pole of the compass deflect?
(a) West
(b) South
(c) East
(d) North