A-LevelPhysicsD.C. circuitsFeb/Mar 2019Paper 1 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?
A2:3:4
B4:3:2
C6:4:3
D36:16:9
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The correct answer is C. This question tests the candidate's understanding of d.c. circuits within the Physicssyllabus. The examiner's mark scheme requires...
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