Biology

Biology, 25.07.2019 13:30, sirinapadeangel

What does it mean if a cell has a positive voltage?

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Physics, 25.06.2019 01:00, simonthang8

Asolar cell has an open circuit voltage value of 0.60 v with a reverse saturation current density of jo = 3.9 × 10−9 a/m2 . the temperature of the cell is 27◦c, the cell voltage is 0.52 v, and the cell area is 28 m2 . if the solar irradiation is 485 w/m2 , determine the power output and the efficiency of the solar cell.

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Physics, 07.07.2019 03:10, tishfaco5000

Asolar cell has an open circuit voltage value of 0.60 v with a reverse saturation current density of jo = 3.9 × 10−9 a/m2 . the temperature of the cell is 27◦c, the cell voltage is 0.52 v, and the cell area is 28 m2 . if the solar irradiation is 485 w/m2 , determine the power output and the efficiency of the solar cell.

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Chemistry, 12.07.2019 19:20, alvaradolm6853

For a concentration cell with non-zero voltage, how would you expect the voltage of the cell to change as temperature increases? assume that the multimeter leads are connected so that measured voltages are positive. hint: carefully consider the nernst equation! this question is not as simple as it seems!

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Physics, 16.10.2019 17:50, kingtaco321

Which of the following statements is not true about batteries? a. the accessibility of the electrodes limits the cell's output voltage. b. some cells do not produce a steady voltage. c. the cell will always be at standard state in real life. d. the cell's internal resistance will lower the output voltage.

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