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Explain with examples the sources of electrical energy
Sources of Electrical Energy
Energy
is
the ability to do work
. There are various type of energy and
electrical energy
is one of them. Electricity is a phenomenon that resulted from the existence and flow of electrical charge.
5.1
Sources of Electrical Energy
Electrical energy is invisible but its function can be observed all the times.
Electrical energy is used to produce light, heat, sound and to move things.
There are 6 electrical enery sources, namely:
Hydroelectric Power
Solar cells
Dry cell
Dinamo
Accumulator
Generator
Hydroelectric Power
Hydroelectric power stations use kinetic energy of water to move the water turbine and generate electricity
Hydroelectric power stations use the kinetic energy of water (released from a damn or waterfall) to turn the water turbine and generate electricity
Solar cell
Solar cells convert sunlight energy into electrical energy
Solar cells are used in tools such as satellites and calculators
Dry cell
Dry cells store chemical energy
Chemical energy is converted into electrical energy to move tools such as toy cars
Dry cells are used because of their small size and easy to carry
Dynamo
Dynamo is a magnetic rotation in a loop of wire that converts kinetic energy into electrical energy
A dynamo is mounted on the bike to turn on the lights on the bike
When the bicycle tire rotates, the small wheels on the dynamo also rotates
Accumulator
Accumulator converts chemical energy into electrical energy
Accumulator is used to move motor vehicles such as cars
Generator
Penjana menukarkan tenaga kimia daripada bahan api fosil kepada tenaga elektrik
Sources of Electrical Energy
Energy
is
the ability to do work
. There are various type of energy and
electrical energy
is one of them. Electricity is a phenomenon that resulted from the existence and flow of electrical charge.
5.1
Sources of Electrical Energy
Electrical energy is invisible but its function can be observed all the times.
Electrical energy is used to produce light, heat, sound and to move things.
There are 6 electrical enery sources, namely:
Hydroelectric Power
Solar cells
Dry cell
Dinamo
Accumulator
Generator
Hydroelectric Power
Hydroelectric power stations use kinetic energy of water to move the water turbine and generate electricity
Hydroelectric power stations use the kinetic energy of water (released from a damn or waterfall) to turn the water turbine and generate electricity
Solar cell
Solar cells convert sunlight energy into electrical energy
Solar cells are used in tools such as satellites and calculators
Dry cell
Dry cells store chemical energy
Chemical energy is converted into electrical energy to move tools such as toy cars
Dry cells are used because of their small size and easy to carry
Dynamo
Dynamo is a magnetic rotation in a loop of wire that converts kinetic energy into electrical energy
A dynamo is mounted on the bike to turn on the lights on the bike
When the bicycle tire rotates, the small wheels on the dynamo also rotates
Accumulator
Accumulator converts chemical energy into electrical energy
Accumulator is used to move motor vehicles such as cars
Generator
Penjana menukarkan tenaga kimia daripada bahan api fosil kepada tenaga elektrik
Chapter : Electricity
Topic : Explain with examples the sources of electrical energy
Year 5
Science
View all notes for Science Year 5
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