# Why electrical materials are developed and constructed Brainly?

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Electrical materials are developed and constructed for a special purpose such as to: 1. control the flow of current in an electrical circuit; 2. carry electrical current from the source to the load or current consuming apparatus; 3. hold and secure wires to its fixtures inside and outside houses and buildings; and 4.

## How do electrical circuits work?

An electric current in a circuit transfers energy from the battery to the circuit components. … In most circuits, the moving charged particles are negatively charged electrons that are always present in the wires and other components of the circuit. The battery pushes the electrons in a circuit.

## Which part of a circuit is designed to create a break in the flow of electricity?

The breakers or switches control the electricity. If too many devices on the same circuit are used at the same time, an overload may occur. If there is an overload of electricity in any of the circuits of the home, the breaker will open the circuit to stop the flow of electricity.

## Which part of the electric circuit receives the electricity?

Simple electrical circuits have conductors (usually wires), a component that supplies power (like a battery or wall plug) and a component that absorbs power called the load.

## How is a battery represented in a circuit diagram?

Describing Circuits with Drawings

A collection of cells or battery is represented by a collection of long and short parallel lines. In both cases, the long line is representative of the positive terminal of the energy source and the short line represents the negative terminal.

## How does current flow in a circuit?

WHEN DOES CURRENT FLOW IN A CIRCUIT? … In a complete circuit, the electrons flow from the negative terminal (connection) on the power source, through the connecting wires and components, such as bulbs, and back to the positive terminal.

## What are 3 types of electrical circuits?

There are actually 5 main types of electrical circuits: Close circuit, open circuit, short circuit, series circuit, and parallel circuit. Each type of circuit is designed to create a conductive path of current or electricity.

## What are four parts of a circuit?

Every electric circuit, regardless of where it is or how large or small it is, has four basic parts: an energy source (AC or DC), a conductor (wire), an electrical load (device), and at least one controller (switch).

## What is importance of circuit?

The reason we want to build circuits is to make electricity do useful things for us. The way we do that is by putting things in the circuit that use the current flow to light up, make noise, run programs, etc.

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## What is difference between open and closed circuit?

An open circuit is defined to be basically a circuit where the energy is not flowing through it. A closed-circuit is defined to be the one where the energy is allowed to flow through it by turning it on. A circuit is made closed if the electricity is flowing from an energy source to the desired endpoint of the circuit.

## What is difference between short circuit and open circuit?

A short circuit implies that the two terminals are externally connected with resistance R=0 , the same as an ideal wire. This means there is zero voltage difference for any current value. … An open circuit implies that the two terminals are points are externally disconnected, which is equivalent to a resistance R=∞ .

## Why does current not flow in an open circuit?

An open circuit has an extremely high resistance ( theoretically infinite resistance) between the two electrical points of an electrical system. This means there is effectively no path readily available for the current to flow berween the two points in normal condition. Hence, no current flows as a consequence. 