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प्रश्न
Solar energy is a renewable energy. How?
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उत्तर
Solar energy is renewable, free source of energy, that is sustainable and totally inexhaustible.
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संबंधित प्रश्न
Write the uses of solar cells.
If the energy received by 5 m2 area in 10 minutes is 4200 kJ, calculate the value of solar constant.
If the solar constant is 1.4 kW/m2 then solar energy recived by 1m2area in one hour is:
(a) 5040 J
(b) 504.0 kJ
(c) 5040 kJ
(d) 5.04 kJ
In many applications, solar cells are connected to rechargeable batteries. Why is this so?
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.
Name two devices which can be utilised for the cooking of food so as to save fuel.
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 energy is a non depleting energy. Justify.
______ is considered as a great source of energy.
How can solar energy be harnessed? Mention any two limitations in using solar energy. How are these limitations overcome?
