A-LevelPhysicsD.C. circuits9702/12 · Feb/Mar 2019 · Q331 Mark

Three resistors are connected in parallel across a power supply, as shown. [Figure 33.1] The power dissipated in each of the resistors of resistance 2Ω, 3Ω and 4Ω is P₂, P₃ and P₄ respectively. What is the ratio P₂: P₃: P₄?

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A2:3:4

B4:3:2

C6:4:3

D36:16:9

✓ Correct answer

C: 6:4:3

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Topic: D.C. circuits, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Feb/Mar 2019 Paper 1 Variant 2, question 33.

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