Multiple choice

A fuse wire is used in an electric circuit to:

  1. minimize loss of electric energy in transmission

  2. maintain constant voltage level

  3. prevent excessive current from passing through the circuit

  4. prevent heating of electric wire

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

A fuse is a safety device consisting of a strip of wire that melts and breaks an electric circuit if the current exceeds a safe level. This prevents damage to the electrical appliances and the wiring from overheating or fire.