CAIE IGCSE Physics Charge in Coulombs
Practise identifying the coulomb as the SI unit of electric charge and distinguishing it from the units used for current, voltage, resistance and power.
- Syllabus
- 2026–2028
- Course
- Physics 0625
Exam points
- state that electric charge is measured in coulombs, symbol C, when selecting a quantity or unit
4.2.1.7—Charge is measured in coulombs question 1
A plastic rod is rubbed with a cloth and becomes positively charged. After charging, the rod is held close to the suspended table-tennis ball shown in Fig. 9.1. The table-tennis ball is covered with metal paint and is uncharged.
Fig. 9.1
State the unit in which electric charge is measured.
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