A-LevelPhysicsD.C. circuits9702/12 · Feb/Mar 2018 · Q371 Mark
A cell of electromotive force (e.m.f.) E and negligible internal resistance is connected into a circuit, as shown. [Figure 37.1] The voltmeter has a very high resistance and reads a potential difference Vout. What is the ratio Vout / E?
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A1 / 6
B1 / 3
C2 / 3
D2/3
✓ Correct answer
D: 2/3
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