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प्रश्न
State two advantages of producing electricity from solar energy.
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उत्तर
Advantages of using solar panels:
1. They do not cause any pollution in the environment.
2. Running cost of solar panel is almost zero.
3. They last over a long period of time.
4. They do not require any maintenance.
5. They are suitable for remote and inaccessible places where electricity power lines cannot be laid.
संबंधित प्रश्न
Fill in the blank
An object falling freely from the roof of a multistorey building has ________ and _________ energy when halfway down the building.
Name the physical quantity measured in terms of horse power.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A moving bus
Name the type of energy (kinetic energy K or potential energy U) possessed in the given case:
A stretched wire
Select the renewable and non-renewable sources of energy from the following:
Oil
State two advantages of using wind energy for generating electricity.
State four ways for the judicious use of energy.
Name the energy changes for the following:
pendulum
Give one example when:
Light energy changes to chemical energy.
Give one example when:
Potential energy changes to electric energy.
