The circuit in FIGURE 21-43 includes a battery with a finite internal resistance, r = 0.50 .

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The circuit in FIGURE 21-43 includes a battery with a finite internal resistance, r = 0.50 Ω.

Figure 21-43,

1.0N 7.1N 4.5 0 3.20 5.8 0 r 12.0 V

(a) Find the current flowing through the 7.1-Ω and the 3.2-Ω resistors.
(b) How much current flows through the battery?
(c) What is the potential difference between the terminals of the battery?

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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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