February/March 2026 Paper 22

2026 · 40 questions · 40 parts · 40 marks

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28Circuit Components I V CharacteristicsMedium1 mark
The circuit diagrams show a cell connected to two diodes and a lamp in series. In which circuit does the lamp light up?
four circuits A to D, each a cell in series with a lamp and two diodes; in A the diodes point in opposite directions either side of the lamp (the left diode points up, the right diode points down), in B both diodes point the same way, downward, in C the diodes point in opposite directions either side of the lamp (the left diode points down, the right diode points up), and in D both diodes point the same way, upward