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Question
State the principle of solar cells.
Short/Brief Note
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Solution
A solar cell is an unbiased pn-junction that converts sunlight energy directly into electricity with high efficiency.
Principle: A solar cell operates on the photovoltaic effect, which produces an emf as a result of irradiation between the two layers of a pn-junction.
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Chapter 16: Semiconductor Devices - Exercises [Page 364]
