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प्रश्न
Give one disadvantage of using a solar cell.
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उत्तर
One disadvantage of solar cell is listed below:
i. The initial cost of a solar panel is sufficiently high.
संबंधित प्रश्न
State the energy change in the following device while in use:
A loudspeaker
Fill in the blank
An object falling freely from the roof of a multistorey building has ________ and _________ energy when halfway down the building.
Give one relevant example for the following transformation of energy :
Electrical energy to light energy.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given case:
A stretched wire
State the energy transformation on the following:
Electricity is obtained from wind energy.
What happens to the K.E. when
(i) the mass of the body is doubled at a constant velocity and
(ii) the velocity of the body is doubled at constant mass?
Give one example when:
Chemical energy changes to light energy.
Give one example when:
Mechanical energy to heat energy.
Give one example when:
Kinetic energy to potential energy.
Ocean thermal energy is due to
