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Electrical energy is the most significant form of energy used in our daily life. Need to turn on light? Switch the bulb on. Are you feeling hot? Switch on the air conditioner. Need to call someone? Switch on your cell phone. Want to listen to music? Switch on the music system. In all the examples given above, we are using electrical energy.
The use of electrical energy is significant probably because we can easily convert it into other forms of energy. Moreover, we can generate electrical energy from other sources. Some of these sources are conventional and some non-conventional.
Some of the conventional sources of electrical energy are fossil fuels, coal, natural gas, oil, and nuclear energy. In a thermal power plant, we burn coal, oil, etc. to generate electricity. Examples mentioned above are also called nonrenewable sources of electrical energy. These conventional sources will deplete soon and will not be replenished in near future.
Some sources can be used repeatedly year after year and will not run out. They are called the renewable source of energy. Some non-conventional sources, like solar energy, energy from wind, and geothermal energy are examples of renewable energy sources. Using a photoelectric solar cell, we can convert light energy directly into electrical energy. A wind turbine converts wind’s kinetic energy into electrical energy.
Below we mention a few Examples of Electrical Energy to make you familiar with this source of energy.
Examples of Electrical Energy
- In a battery, we store potential energy as the form of chemical energy. When we connect a bulb to a battery, chemical energy gets converted into electrical energy and then light energy. More Examples of Chemical Energy.
- In a nuclear power plant, firstly, we convert nuclear energy into thermal energy. The corresponding nuclear reaction is known as a fission reaction. Thermal energy boils water at very high pressure. Vapor generated at a high pressure drives turbines to generate electrical energy. This is an example of an indirect conversion of nuclear energy into electrical energy. Related Post: Examples of Nuclear Energy.
- In a hydroelectric plant, we store water at an elevation to store energy in the form of gravitational potential energy. When released, this potential energy gets transformed into kinetic energy and drives turbine blades to generate electricity. In this example, potential energy converts into electrical energy. More Examples of Kinetic Energy.
- A photoelectric solar cell transforms light energy into electrical energy. This is an example where the direct conversion from solar energy to electrical energy happens.
- Wind turbine transforms the kinetic energy of wind into electricity. Wind energy and solar energy are two examples of renewable energy sources. Similar Content: Examples of Potential Energy.
- A capacitor is an example of a device where we can store electrical energy as electrostatic potential energy.
- In an inductor, we can store electrical energy as magnetostatic potential energy.
- Electrical energy is used to power up almost all the home appliances. Some examples are a light bulb, air conditioner, fan, microwave oven, geyser, heater, television, music system, computer, and cell phone.
- Lightning is an example of enormous energy stored in our nature.
- Electric eels can generate short pulses of electricity to defend against predators and to paralyze their prey.
- Our nervous system transmits signals via electrical pulse. So, when you watch something or touch someone, you are sending electrical messages to your brain.