34. Mention why is it not possible to make use of solar cells to meet all our energy needs ?
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Answer:
(i) Special grade silicon is available in limited amount for making solar cells.
(ii) Silver which is used for interconnection of the cells in panel further adds to cost .
(iii) So therefore manufacturing of solar panel is very expansive.
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Explanation:
Solar energy is a clean source of energy and it is eco friendly. But there are some disadvantages too. The energy cannot be generated during rainy days. It cannot be generated at night too. We require large amount of energy everyday. It is not easy to generate such amount of energy only using solar cells. Hence its use is not possible to meet our daily needs.
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