A car battery has a terminal potential difference of 13.6 V when there is no load. When the starter motor draws 75 A, the terminal potential difference drops to 10 V. What is the internal resistance of the battery?

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A car battery has a terminal potential difference of 13.6 V when there is no load. When the starter motor draws 75 A, the terminal
potential difference drops to 10 V. What is the internal resistance of the battery?
Transcribed Image Text:A car battery has a terminal potential difference of 13.6 V when there is no load. When the starter motor draws 75 A, the terminal potential difference drops to 10 V. What is the internal resistance of the battery?
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