GP Electricity

A fuse is used in the electric circuit to

  1. break the circuit when power gets off
  2. complete the circuit for flow of current
  3. break the circuit when excessive current flows through the circuit
  4. indicate if the current is flowing uninterrupted

Answer

A fuse is a type of low resistance resistor that acts as a sacrificial device to provide over-current protection.

The correct option is C.