CIE Electricity – Topic Test
Topic 19 – Current of Electricity
Topic 20 – D.C Circuits
- Introduces the ideas of charge and current.
- Knowledge and understanding of electrical symbols, electromotive force, potential difference, resistivity and power are key in this topic.
- An understanding of electrical circuits, internal resistance and potential dividers.
- LDRs and thermistors are used to show how changes in light intensity and temperature respectively can be monitored using potential dividers.
Topic Test and Marking Scheme