CAIE IGCSE Physics: Series & Parallel Circuits Question Bank
Practise tracing series and parallel circuit paths to decide which switches make lamps light, go out, or change brightness.
- Syllabus
- 2026–2028
- Course
- Physics 0625
Exam points
- trace switch positions on a circuit diagram to decide which lamps have complete paths
- predict how closing a switch changes lamp brightness when a parallel route is added
4.3.2.2—How to construct and use series and question 1
The circuit shown contains three switches and four lamps P, Q, R and S.
Which switches must be closed to light only lamps P and R ?
A
switch 1 only
B
switch 1 and switch 2
C
switch 1 and switch 3
D
switch 2 and switch 3
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