CAIE A-Level Physics AS 9.3.4 That the Resistance of a Filament Lamp Increases Questions
Explain that filament-lamp resistance increases as temperature rises.
- Syllabus
- 2028–2030
- Course
- Physics 9702
- Level
- AS
Exam points
- Explain that filament-lamp resistance increases as temperature rises.
CAIE A-Level Physics AS 9.3.4 That the Resistance of a Filament Lamp Increases Questions question 1
The variation of current I with potential difference V for a filament lamp is shown in Fig. 5.1.
Fig. 5.1
The resistance of the filament lamp increases with potential difference.
Explain why the resistance varies in this way.
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