Physics, 20.07.2021 02:30 Queenquestion5967
An auto mechanic needs to determine the emf and internal resistance of an old battery. He performs two measurements: in the first, he applies a voltmeter to the battery's terminals and reads 11.9 V;11.9 V; in the second, he applies an ammeter to the terminals and reads 16.1 A.16.1 A. What are the battery's emf E and internal resistance r?
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An auto mechanic needs to determine the emf and internal resistance of an old battery. He performs t...
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