Multiple choice

Which of the following is responsible for the deflection of a compass needle in an electric field?

  1. Heating effect of current

  2. Conducting effect of heat

  3. Magnetic effect of current

  4. Chemical effect of current

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The deflection of a compass needle near a current-carrying wire is a direct result of the magnetic field generated by the electric current, known as the magnetic effect of current.