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Question
A 1.58-V alkaline cell with a $0.200 \Omega$ internal resistance is supplying 8.50 A to a load. (a) What is its terminal voltage? (b) What is the value of the load resistance? (c) What is unreasonable about these results? (d) Which assumptions are unreasonable or inconsistent?
1. $-0.12 \textrm{ V}$
2. $-0.0141 \Omega$
3. Terminal voltage and resistance should not be negative.
4. The current is too high. The maximum possible current is $7.9 \textrm{ A}$
Solution Video