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Electricity and direct current circuits, image, image, image, image -…
Electricity and direct current circuits
Conductors and insulators
Conductors: Materials that let electricity current flow through them ( for example, copper, tin, aluminium, silver and iron) are called conductors
Let electricity pass through them
Insulators: Materials that do not let electricitycurrent flow througth them ( plastic, paper, tetiles, wood, etc.) are called insulators
Do not electricity pass through them
Electricity. Electrical energy.
Electricity: is a form of energy that lets negatively carged partiles (electrons) move from atom to another.
is a form of energy that lets negatively charged particles
Electricity current: is the flow of electrons from one atom to another inside a conductive material.
is the flow of electronss from one atom to another inside a conductive material.
Electricity circuits
The electricity circuit is a series of components that an electric current flows to produce a effect
Components
Power sources
Conductors
Load devices
Control devices
Open circuits and clossed circuits
Open circuit
Clossed circuit
Short circuit
Componets of a circuit
Power sources
Cell
Symbol
Image
Battery
Symbol
Load decives
Motor
image
Symbol
Buzzer
image
Symbol
Resistor
image
Symbol
Lamp
image
Symbol
Types of circuits
Series circuits
Circuit with three lamps in series
Parallel circuits
Circuit with threel amps in parallel
Series parallel combination circuits
Series parallel combiation circuit with three lamps
Converting electrical en energy
Types of energy
Light
We can convert electricity to light through load devices
Heat
When electrons move through a conductor, produce heat
Motion
We can convert electricity to motion using a motor
Sound
We can use electrical energy to transmit sounds
Different load devices and type of energy that they convert electrical energy to
Resistor
Convert energy to heat energy
Lamp
Convert energy to light energy
Motor
Converts energy to kinetic energy
Buzzer
Converts energy to sound energy
Energy and the enviroment
Enviroment impact of energy production and transmission: Electrical energy is genereted industrially in power stations, which vcovert a form of energy ( chemical, mechanica, thermal, ligth, etc.) to electrical energy.
Responsible use of electrical energy
