A-LevelPhysicsD.C. circuits9702/12 · Oct/Nov 2013 · Q381 Mark

Four resistors of resistance R, 2R, 3R and 4R are connected to form a network. A battery of negligible internal resistance and a voltmeter are connected to the resistor network as shown. [Figure 38.1] The voltmeter reading is 2V. What is the electromotive force (e.m.f.) of the battery?

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A2 V

B4 V

C6 V

D10 V

✓ Correct answer

C: 6 V

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Topic: D.C. circuits, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Oct/Nov 2013 Paper 1 Variant 2, question 38.

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