# What is the principle of electric fuse?

Contents

An electric fuse is based on the principle of heating effect of electric current. It is made up of thin metallic wire of non-combustible material. A fuse is always connected between the ends of the terminal in a series connection with the circuit.

## What is an electric fuse Class 10?

Electric fuse is a small piece of wire of a material having low melting point and high resistance. The device protects the circuit from overloading and short circuiting. A fuse wire is made of pure tin or of an alloy of copper and tin.

## What is an electric fuse How does it work Class 7?

The electric fuse has a thin wire with a low melting. If more amount of electricity is passed from fuse then heat will be produced and the fuse melts. This makes the circuit opened then the current will not pass. This is the working of an electric fuse.

## What is the primary principle of a fuse Mcq?

ANSWER: Prevent excess current from flowing into the line.

## What is electric fuse long answer?

Answer: An electrical fuse is a low melting point copper or other metal wire that breaks due to heat caused by overvoltage or high load to avoid short circuit or failure to the device.

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## What is the role of electric fuse in domestic circuit?

Answer: An electric fuse is a safety device used to limit the current in an electric circuit. The use of a fuse is to safeguard the electric circuit and the electric appliances connected in the electric circuit from being damaged.

## What is fuse short answer?

A fuse is a safety device in an electric plug or circuit. It contains a piece of wire which melts when there is a fault so that the flow of electricity stops. … When things fuse or are fused, they join together physically or chemically, usually to become one thing.

## What is Ohm’s law state?

Ohm’s law states that the current through a conductor is proportional to the voltage across the conductor. … V=IR where V is the voltage across the conductor and I is the current flowing through it.

## What is the main function of a fuse?

In electronics and electrical engineering, 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.

## What is the working principle of Elcb?

SOLUTION

• Earth Leakage Circuit Breaker (ELCB) works on the principle of residual current.
• Current operated ELCBs are safer as they operate on the principle of the vector sum of the line currents and neutral current.

## What is MCV electricity?

It stands for Miniature Circuit Breaker. It stands for Molded Case Circuit Breaker.