A-LevelPhysicsD.C. circuits9702/12 · Oct/Nov 2015 · Q381 Mark
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?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
ADiagram A: Internal circuit showing two parallel branches. Top branch has a resistor. Bottom branch has two resistors in series.
BDiagram B: Internal circuit showing two parallel branches, each with a single resistor.
CDiagram C: Internal circuit showing two series resistors connected between 1 and 3, and 2 and 4. Another resistor between 3 and 4.
DDiagram D: Internal circuit showing two parallel branches. Top branch has two resistors in series. Bottom branch has a single resistor.
✓ Correct answer
D: Diagram D: Internal circuit showing two parallel branches. Top branch has two resistors in series. Bottom branch has a single resistor.
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