A-LevelPhysicsD.C. circuits9702/12 · May/June 2010 · Q341 Mark

The resistors P, Q and R in the circuit have equal resistance. [Figure 34.1] The battery, of negligible internal resistance, supplies a total power of 12 W. What is the power dissipated by heating in resistor R?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

A2 W

B3 W

C4 W

D6 W

✓ Correct answer

A: 2 W

Oracle Prep sorts past-paper questions by topic, so you can drill D.C. circuits and see which topics are most likely to come up next.

Topic: D.C. circuits, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2010 Paper 1 Variant 2, question 34.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content