CAIE A-Level Physics AS 10.3.1 The Principle of a Potential Divider Circuit Questions
Explain the principle of a potential-divider circuit and how voltage divides between components.
- Syllabus
- 2028–2030
- Course
- Physics 9702
- Level
- AS
Exam points
- Explain the principle of a potential-divider circuit and how voltage divides between components.
CAIE A-Level Physics AS 10.3.1 The Principle of a Potential Divider Circuit Questions question 1
[Maximum number: 2]
The slider of the potentiometer in (c) is moved to end A .
State and explain the effect on the brightness of lamps P and Q .
lamp P :
lamp Q:
lamp P: p.d. across lamp decreases to zero so goes 'out'
lamp Q: p.d. across lamp increases to 12 V so gets brighter
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