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Question
Which of these cells will you use in a communication satellite that is expected to circle the earth for several years?
(a) dry cells
(b) button cells
(c) car cells
(d) solar cells
(a) dry cells
(b) button cells
(c) car cells
(d) solar cells
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Solution
Solar cells are used in communication satellites which are expected to circle the earth for several years. Because, the sun can provide an unlimited amount of solar energy, which can be used constantly for years.
Hence, the correct answer is option (d).
Hence, the correct answer is option (d).
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