Question

A straight wire is kept horizontally along east-west direction. If a steady current flows in wire from east to west, the magnetic field at a point above the wire will point towards ______.

Options

• East 

• West

• North 

• South

Answer 1

A straight wire is kept horizontally along east-west direction. If a steady current flows in wire from east to west, the magnetic field at a point above the wire will point towards north.

Explanation:

According to the right-hand thumb rule, point your thumb in the direction of current and curl your fingers in the direction of the magnetic field.