PH-1107
E.m.f. and potential difference
Physics · Secondary 4 · Medium · E.m.f. and potential difference
A battery of electromotive force (e.m.f.) 9.0 V and negligible internal resistance is connected in a simple circuit. When 3.0 C of charge passes through the battery, how much work is done by the battery on the charges?
- 0.33 J
- 3.0 J
- 9.0 J
- 27 J
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