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प्रश्न
Complete the table.
| Limitations of Solar energy | Limitations of Wind energy |
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उत्तर
| Limitations of Solar energy | Limitations of Wind energy |
| Solar energy is difficult to employ. | Wind velocity necessary for wind-energy generation is not available everywhere |
| Solar energy cannot be used at night or on cloudy days. | The wind velocity at specific locations depends on many geographical factors |
| Solar energy is not available uniformly during the day time and at all the places on the earth. | Wind velocity is usually high on sea shores and therefore that environment is more appropriate for the installation of wind turbines |
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संबंधित प्रश्न
What type of reflector is used in a box-type solar cooker?
What is the range of temperature which can be achieved in a box-type solar cooker in two to three hours?
How much solar energy will be received by 1 m2 area in one hour if the solar constant be 1.4 kW/m2?
Name that part of a box-type solar cooler which allow the sun's heat rays to enter the box but does not allow inside heat to go out.
State the advantages and disadvantages of using solar cells.
Why is the solar cooker box covered with a glass sheet?
In a solar water heater, why is the storage tank placed at a higher lever than the solar panel containing coils?
Solar cells are used to provide the electric current to charge the batteries of a car driven by an electric motor. Describe the energy changes which take place.
Observe the connections of cells shown in the following images.
i. Which connection will give maximum potential difference?
ii. Give one advantage and one disadvantage of this energy.
Solar photovoltaic cells convert the solar radiation energy directly into ______ energy.
The potential difference available from a solar cell depends on its area.
State the importance of inverters.
Distinguish between the following.
Electricity generation from solar cells and solar thermal power generation
What is the disadvantage of solar energy?
Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilisation?
Choose the correct statement.
______ is considered as a great source of energy.
