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प्रश्न
State two disadvantages of producing electricity from solar energy.
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उत्तर
Disadvantages of using solar panels:
1. The initial cost of a solar panel is sufficiently high.
2. The efficiency of conversion of solar energy to electricity is low.
3. A solar panel produces d.c. electricity which cannot be directly used for many household purposes.
संबंधित प्रश्न
State the energy change in the following device while in use:
A loudspeaker
Explain how, geothermal energy is used to generate electricity.
Name the type of energy (kinetic or potential) possessed by the following:
A stone at rest on the top of a building.
Name the type of energy (kinetic or potential) possessed by the following:
Water flowing in a river.
Select the renewable and non-renewable sources of energy from the following:
Water
State the energy transformation on the following:
Electricity is obtained from wind energy.
What do you understand by mechanical energy?
What do you understand by the potential energy of the body?
Give two examples each of renewable and non-renewable sources of energy?
State two advantages and disadvantages of using nuclear energy for producing electricity.
