Multiple choice

The special device that prevents excessive current from passing through a circuit is a(n)

  1. amp

  2. ampere

  3. fuse

  4. insulator

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

A fuse is a safety device that melts and breaks the circuit if the current becomes too high, preventing damage or fire. Amps and amperes are units of measurement, not devices.