February/March 2026 Paper 12

2026 · 40 questions · 40 parts · 40 marks

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36Series Parallel Circuit AnalysisHard1 mark
Eight identical resistors are connected as shown.
circuit of eight identical resistors and a battery in one loop: from a left junction, two parallel branches lead to a middle junction — the upper branch has two resistors in series then ammeter A2, the lower branch has three resistors in series; from the middle junction, two more parallel branches lead to a right junction — the upper branch has two resistors in series, the lower branch has one resistor in series then ammeter A1; the right junction connects back to the left junction through the battery
Ammeter reads 1.50 A. What is the reading on ammeter ?