Electricity has been part of our lives. Electricity is a useful form of energy. It plays a very important role in our daily life.We use electricity to make our work easier. For example, it is used to run pumps that lift water from ground to the rooftop tank. It is also needed for functioning of televisions, computers,refrigerators, geysers, air conditioners, electric fans, electric bulbs, etc. It has brought many things that surely have made many wonders and life would seem so hard without it.
However, electricity has much more important aspects because it is a fundamental feature of all matter. Electricity is the force that holds together the molecules and atoms of all substances.
Electricity is is used to produce various forms of energy:
1. Heat Energy
2. Light Energy
3. Sound Energy
4. Movement Energy
Heat Energy: Electricity is used in various devices which produce heat.For Example
Gyser |
Hair Dryer |
Heater |
Kettle |
Microwave Oven |
Light Energy: Electricity is used in various devices which produce light.For Example
Torch |
Tube Light |
Decoration Lights |
Bulbs | CFL |
Sound Energy: Electricity is used in various devices which produce sound. For Example
Piano |
Musical Toys |
Speaker |
Electric Bell | CD Player |
Movement Energy: Electricity is used in various devices which produce movement in them. For Example
Rope Way | Lift |
Electric Train |
Fan |
Electric Scooter |
Which of the following are correct : (a) Electricity is used to run pumps that lift water from ground to the rooftop tank. (b) Electricity is also needed for functioning of televisions, computers,refrigerators, geysers, air conditioners. (c) Example of movement energy is electric train. | |||
Right Option : D | |||
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Which of the following are correct : (a) Electricity is used in hair dryer which produce heat. (b) Electricity is used in bulbs and tube light which produce light. | |||
Right Option : C | |||
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In which of the following devices electricity is used to produce heat energy ? | |||
Right Option : D | |||
View Explanation |
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My experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.