Among various electrical safety devices, one based on the heating effect of electric current is called a:

Options

A. Fuse
B. Suger protector
C. Protective relay
D. Capacitor

Answer

A

Explanation

A fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit. Its essential component is a metal wire or strip that melts when too much current flows through it, thereby stopping or interrupting the current.