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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
State the energy change in the following device while in use:
A loudspeaker
State two factors on which the kinetic energy of a moving body depends.
Name the type of energy (kinetic or potential) possessed by the following:
A compressed spring.
Give one relevant example for the following transformation of energy:
Electrical energy to mechanical energy.
Give one relevant example for the following transformation of energy :
Electrical energy to light energy.
Give one relevant example for the following transformations of energy:
Chemical energy to heat energy.
A ball is made to fall freely from a height. State the kind/ kinds of energy possessed by the ball when it is just in the middle .
A ball is made to fall freely from a height. State the kind/ kinds of energy possessed by the ball when it is at the ground.
Name a device in which solar energy is converted into electricity state its two uses.
State the energy changes which take place when:
A bulb glows, when torchlight is switched on.
