Physics · May / June 2019 · Paper 12 · Question 34
5054Electromotive force and potential difference
The diagram shows a simple electrical circuit. Which statement cannot be correct?
- AThe current I is 2 A.
- BThe e.m.f. E is 12 J.
- CThe p.d. V (across the resistor) is 10 V.
- DThe resistance R is 5 Ω.
As printed in the paper
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Correct answer: B. The e.m.f. E is 12 J.
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