Figure 20.25 shows a car battery whose emf is 12.0 V and

Chapter 20, Problem 20.30

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Figure 20.25 shows a car battery whose emf is 12.0 V and whose internal resistance is 0.010 . This resistance is relatively large because the battery is old and the terminals are corroded. What is the terminal voltage when the current I drawn from the battery is (a) 10.0 A and (b) 100.0 A?

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