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Physics (AS & A Level) · Oct / Nov 2025 · Paper 13 · Question 33

9702Resistance and resistivity

The graphs show possible current–voltage (I–V) characteristics for a filament lamp and for a semiconductor diode. Which row identifies the I–V graphs for the lamp and for the diode?

  1. Afilament lamp P; semiconductor diode R
  2. Bfilament lamp P; semiconductor diode S
  3. Cfilament lamp Q; semiconductor diode R
  4. Dfilament lamp Q; semiconductor diode S

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Correct answer: A. filament lamp P; semiconductor diode R

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