O-LevelPhysicsElectricity5054/11 · Oct/Nov 2015 · Q301 Mark

Four resistors of unequal resistances are connected to a power supply as shown. The currents in the four resistors are I₁, I₂, I₃ and I₄. Which equation is correct?

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AI₁ = I₂ - I₃

BI₂ = I₁ + I₄

CI₃ = I₄ - I₁

DI₄ = I₂ + I₃

✓ Correct answer

D: I₄ = I₂ + I₃

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Topic: Electricity, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2015 Paper 1 Variant 1, question 30.

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