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The e.m.f. developed by a photovoltaic cell can be taken as proportional to the logarithm of the intensity of radiation impinging on it. For 10 W/ m2 radiation, a cell develops an e.m.f. of 0.33 V and drives a current of 2.2 mA into a 100Ω load. Calculate: (2000)
(a) The open-circuit voltage at 25 W/m2.
(b) The internal resistance of the cell.
Correct answer is '50'. Can you explain this answer?
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The e.m.f. developed by a photovoltaic cell can be taken as proportio...
We know that e0 is directly proportional to logarithmic at I
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i.e. e0 α log10 I
where I = 10 W/m2
e0 = K log10 10
=> 0.33 = K
(a) Given that I = 25 W/m2
e0 = K log10 I
e0 = K log10 25
= 0.33 log10 25
= 0.33 x 1.4 = 0.461 V
(b) R = 100Ω
I = 2.2 mA
V = IR
= 2.2 x 100 = 0.22 V
Internally dropped potential
= (0.33 - 0.22) V = 0.11V
Most Upvoted Answer
The e.m.f. developed by a photovoltaic cell can be taken as proportio...
We know that e0 is directly proportional to logarithmic at I
i.e. e0 α log10 I
where I = 10 W/m2
e0 = K log10 10
=> 0.33 = K
(a) Given that I = 25 W/m2
e0 = K log10 I
e0 = K log10 25
= 0.33 log10 25
= 0.33 x 1.4 = 0.461 V
(b) R = 100Ω
I = 2.2 mA
V = IR
= 2.2 x 100 = 0.22 V
Internally dropped potential
= (0.33 - 0.22) V = 0.11V
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The e.m.f. developed by a photovoltaic cell can be taken as proportional to the logarithm of the intensity of radiation impinging on it. For 10 W/ m2 radiation, a cell develops an e.m.f. of 0.33 V and drives a current of 2.2 mA into a 100Ω load. Calculate: (2000)(a) The open-circuit voltage at 25 W/m2.(b) The internal resistance of the cell.Correct answer is '50'. Can you explain this answer?
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The e.m.f. developed by a photovoltaic cell can be taken as proportional to the logarithm of the intensity of radiation impinging on it. For 10 W/ m2 radiation, a cell develops an e.m.f. of 0.33 V and drives a current of 2.2 mA into a 100Ω load. Calculate: (2000)(a) The open-circuit voltage at 25 W/m2.(b) The internal resistance of the cell.Correct answer is '50'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about The e.m.f. developed by a photovoltaic cell can be taken as proportional to the logarithm of the intensity of radiation impinging on it. For 10 W/ m2 radiation, a cell develops an e.m.f. of 0.33 V and drives a current of 2.2 mA into a 100Ω load. Calculate: (2000)(a) The open-circuit voltage at 25 W/m2.(b) The internal resistance of the cell.Correct answer is '50'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The e.m.f. developed by a photovoltaic cell can be taken as proportional to the logarithm of the intensity of radiation impinging on it. For 10 W/ m2 radiation, a cell develops an e.m.f. of 0.33 V and drives a current of 2.2 mA into a 100Ω load. Calculate: (2000)(a) The open-circuit voltage at 25 W/m2.(b) The internal resistance of the cell.Correct answer is '50'. Can you explain this answer?.
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