Question

Write the sources of electrical energy

Answer 1

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Sources of electrical energy are as follows:

• Electric cell
• Electric generator
• Photoelectric cell
• Thermo-couple

Answer 2

Sources of electrical energy are :

• Natural gas
• Nuclear energy
• Coal.
• Electricity can be produced from renewable sources such as wind, Solar power, Biomass, Hydropower, and geothermal
• Electrical energy can be obtained by converting mechanical energy to electrical energy.
• In cases of coal, natural gas, nuclear fission, biomass, geothermal, petroleum, and Solar thermal the heat that is produced is used to obtain steam which moved the turbine blades.
• In cases of Hydropower and wind power, the turbine blades are moved directly by flowing water and wind.
• Sunlight can directly be converted to electricity using Solar photovoltaic panels.
• Uses of electricity :
• Electricity is used to run electrical appliances such as refrigerators, television, Washing machine, ovens, tube light, fans, etc.

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