Physics for Scientists and Engineers: Foundations and Connections
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN: 9781133939146
Author: Katz, Debora M.
Publisher: Cengage Learning
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A solar cell generates an EMF of 21 V. The terminal potential difference of 18.9 V is measured when a 50
resistor is connected across the battery. What is the internal resistance of the solar cell?
The internal resistance, r=
Units Select an answer
How much power is released in the cell and in the load?
The power in the cell, Pinternal =
Units Select an answer V
The power in the load, Puseful =
Units Select an answer
What maximum useful power can be generated by the cell?
The max. power, Pmax
Units Select an answer
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Transcribed Image Text:A solar cell generates an EMF of 21 V. The terminal potential difference of 18.9 V is measured when a 50 resistor is connected across the battery. What is the internal resistance of the solar cell? The internal resistance, r= Units Select an answer How much power is released in the cell and in the load? The power in the cell, Pinternal = Units Select an answer V The power in the load, Puseful = Units Select an answer What maximum useful power can be generated by the cell? The max. power, Pmax Units Select an answer
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