Mention why it is not possible to make use of solar cells to meet all our energy needs.State three reasons for your answer and alsowrite its uses
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disadvantages:
1) The initial cost of 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.
uses:
1) they don't require maintenance.
2) they last over a long period of time.
3) there running cost is almost nil.
4) they do not cause any pollution.
5) they are used in watches and calculators.
6) they are used to supply electricity in artificial satellites.
1) The initial cost of 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.
uses:
1) they don't require maintenance.
2) they last over a long period of time.
3) there running cost is almost nil.
4) they do not cause any pollution.
5) they are used in watches and calculators.
6) they are used to supply electricity in artificial satellites.
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