CAIE IGCSE Physics Electron Transfer During Friction
Practise explaining frictional charging solely through electron transfer, relating the direction of electron movement to the final signs on both materials.
- Syllabus
- 2026–2028
- Course
- Physics 0625
Exam points
- state that only electrons transfer during rubbing while protons remain bound in the materials
- infer that an object gaining electrons becomes negative and one losing electrons becomes positive
- track electrons between a rod and cloth to determine the equal and opposite final charge signs
4.2.1.4—Charging of solids by friction question 1
[Maximum number: 2]
A piece of plastic is charged positively by friction.
State what charge transfers occur during this process.
electrons / negative charges (move)
B1
out of (plastic)
OR removed from / lost from (plastic)
B1
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