O-LevelPhysicsElectricity5054/12 · May/June 2025 · Q301 Mark

Two resistors connected in series act as a potential divider as shown. [Figure 30.1 - Potential divider circuit diagram] The resistors have resistances R₁ and R₂ and the potential differences across them are V₁ and V₂ respectively. Which expression is equal to V₁/V₂?

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AR₁/R₂

BR₂/R₁

C(R₁/R₂) ²

D(R₂/R₁) ²

✓ Correct answer

A: R₁/R₂

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Topic: Electricity, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2025 Paper 1 Variant 2, question 30.

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