CAIE IGCSE Physics Electrostatic Charging Experiments
Practise selecting insulating rods for frictional charging and sequencing an induction experiment with a charged rod, conductor, earth connection and stand.
- Syllabus
- 2026–2028
- Course
- Physics 0625
Exam points
- choose glass and plastic rods for a friction experiment because charge remains on the insulators
- sequence induction by bringing the rod near, earthing the sphere, disconnecting Earth, then removing the rod
4.2.1.3—Simple experiments to show the question 1
[Maximum number: 1]
A teacher wishes to show the production of electrostatic charges.
She holds a rod and rubs it with a cotton cloth. A copper rod, a glass rod, a plastic rod and a steel rod are available.
Which two rods would both be suitable to use?
A
a copper rod and a glass rod
B
a glass rod and a plastic rod
C
a plastic rod and a copper rod
D
a plastic rod and a steel rod
B
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