A straight horizontal wire is stretched along the east–west direction a few…
PHYSICS · Single correct · CBSE · Physics · Magnetic Effects of Electric Current · Magnetic Effects of Electric Current
Problem
A straight horizontal wire is stretched along the east–west direction a few centimetres above a table. The current in the wire flows from west to east. A small compass is placed on the table exactly under the wire. After the current is switched on, the north pole of the compass needle will point
(a) towards south
(b) towards west
(c) towards north
(d) towards east