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OpenStudy (anonymous):
For use in DC Circuit calculations, can a battery be modeled as a capacitor?
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OpenStudy (turingtest):
I don't see how because the voltage across the battery is constant (the EMF) whereas the voltage across a charging capacitor increases with time
OpenStudy (anonymous):
TT is as usual correct. A battery has an internal source of energy that supplies a potential difference between its terminals, whereas a capacitor *stores* energy (as opposed to generating energy).
OpenStudy (kainui):
Now suppose you have only a capacitor and a resistor in a circuit? Can you measure the voltage and current?
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