May/June 2026 Paper 23

2026 · 40 questions · 40 parts · 40 marks

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28Circuit Components I V CharacteristicsMedium1 mark
A teacher makes four circuits with two identical lamps, J and K. In which circuit will only lamp J light?
four circuits each with a cell and lamps J and K in parallel branches: A a diode in the main line before the branches; B a diode in series with each lamp, both the same way round; C a diode in parallel with J's branch and another in series with K, opposite orientations; D a diode in parallel with J's branch and another in series with K's branch, same orientation as each other