What is a fuse and how does it work?

Answer 1

fuse is a safety device which designed to protect the electrical circuit from over current. It contain a piece of wire in which the ampacity is lower than the ampacity of the line conductors. It automatically cut the circuit when an over current occur.

Answer 2

A fuse is used in an electrical circuit to prevent it from being overloaded and starting a fire. They come in different strengths or Amps. They have a piece of wire in them that is intended to melt through when too much load is put on them or there is a direct short in the line. The most common type of house fuse is a screw in type that has a small clear window in the top of it so you can see the wire. Often when it blows, the window will get clouded over from the wire burning. There are also long tubular fuses that are usually heavier. These are used for the main breaker and 220 volt lines such as a stove. Somewhere in the house is a fuse box, usually on the inside wall closest to the meter outside. May be in the basement. Newer houses have circuit breakers that do the same job but can be turned back on instead of being replaced. Once a fuse blows, it has to be replaced.

Answer 3

A fuse is a safety device that protects an electrical circuit from damage caused by an overload of current. It consists of a metal wire that will melt when exposed to excessive current, breaking the circuit and preventing damage to the connected devices. This breaking of the circuit interrupts the flow of electricity, effectively protecting the circuit from overheating or catching fire.

Answer 4

Electrically it is a protective device which melts under heat, created by excess current, thus protecting the rest of the installation from damage