CAIE A-Level Physics AS 10.3.2 The Principle of the Potentiometer As a Means of Comparing Potential Questions
Explain how a potentiometer compares potential differences.
- Syllabus
- 2028–2030
- Course
- Physics 9702
- Level
- AS
Exam points
- Explain how a potentiometer compares potential differences.
CAIE A-Level Physics AS 10.3.2 The Principle of the Potentiometer As a Means of Comparing Potential Questions question 1
The circuit in (a) is now modified by adding a uniform resistance wire XY and a galvanometer, as shown in Fig. 7.2.
Fig. 7.2 (not to scale)
The length of the wire XY is 1.2 m . The movable connection Z is positioned on the wire XY so that the galvanometer reading is zero.
Calculate the length XZ along the resistance wire.
length XZ =m [2]
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