A solar cell generates a potential difference of 0.10 V

Chapter , Problem 16

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A solar cell generates a potential difference of 0.10 V when a 500 0 resistor is connected across it, and a potential difference of 0.15 V when a 1000 0 resistor is substituted. What are the (a) internal resistance and (b) emf of the solar cell? (c) The area of the cell is 5.0 cm2 , and the rate per unit area at which it receives energy from light is 2.0 mW/cm2 . What is the efficiency of the cell for converting light energy to thermal energy in the 1000 0 external resistor?

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