February 2008): In problem 6, the symbol for the cell looks like a capacitor, and thus the problem appears to be one of charging and discharging a capacitor. Is that right?
No. The symbol may look like a capacitor, but it is inside a circle. The symbol in this case represents an electrochemical cell (i.e., a device where oxidation/reduction takes place as a function of the applied voltage). It is not itself a source of electrical potential or current and can be considered a resistor in the circuit. The symbol is also seen in Figure 24-7 of the text.
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