Answer: Each of the six real batteries in Fig. 27-68 has
Chapter , Problem 70(choose chapter or problem)
Each of the six real batteries in Fig. 27-68 has an emf of 20 V and a resistance of 4.0 n. (a) What is the current through the (external) resistance R = 4.0 n? (b) What is the potential difference across each battery? (c) What is the power of each battery? (d) R At what rate does each battery transfer en- Fig. 27-68 ergy to internal thermal energy?
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