Duelling Physicists

About this topic

Revise Electricity and Electromagnetism, including defining electric current, choosing which unit is used to measure electric current, defining potential difference (voltage) and what does resistance describe.

This topic covers

• defining electric current
• choosing which unit is used to measure electric current
• defining potential difference (voltage)
• what does resistance describe

Example question types

• answer a short question such as “What is electric current”
• answer a short question such as “Which unit is used to measure electric current”
• answer a short question such as “What is potential difference (voltage)”