The diagram shows a four-terminal box connected to a battery and two ammeters. [Figure showing a four-terminal box connected to a battery and two ammeters] The currents in the two meters are identical. Which circuit, within the box, will give this result?
✓ Correct Answer
The correct answer is D: Diagram D: Internal circuit showing two parallel branches. Top branch has two resistors in series. Bottom branch has a single resistor.
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
🎯 Mark Scheme Breakdown
Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.
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