Physics (AS & A Level) · Oct / Nov 2021 · Paper 12 · Question 35

The graphs show the variation with potential difference V of the current I for three circuit components. The components are a metal wire at constant temperature, a semiconductor diode and a filament lamp. Which row correctly identifies these graphs?

1. Ametal wire at constant temperature: X; semiconductor diode: Z; filament lamp: Y
2. Bmetal wire at constant temperature: Y; semiconductor diode: X; filament lamp: Z
3. Cmetal wire at constant temperature: Y; semiconductor diode: Z; filament lamp: X
4. Dmetal wire at constant temperature: Z; semiconductor diode: X; filament lamp: Y

As printed in the paper