GATE EC 2020 Set 1 — Question 44
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Electronic Devices → Optoelectronic Devices → Solar Cell Efficiency & Responsivity
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Question
A junction solar cell of area , illuminated uniformly with , has the following parameters: Efficiency , open circuit voltage , fill factor , and thickness . The charge of an electron is . The average optical generation rate (in ) is
Correct answer
(A) 0.84 × 10¹⁹
Solution
1.Calculate the total input power: .
2.Calculate the maximum output power using efficiency: .
3.Use the fill factor formula to find short-circuit current (): .
4.Relate to the average generation rate (): .
5.Volume .
6..
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