Electricity
Explain circuits, current, potential difference, resistance, V = IR, series and parallel circuits, mains electricity and power
What you'll learn
- 1
Imagine a circuit like a race track for tiny particles called electrons. The battery is the starting line that gives them a push!
- 2
What do electrons need to start moving around a circuit?
- 3
Build a simple circuit by connecting the battery to the bulb with wires.
- 4
Let's see what happens when you add a switch to the circuit.
- 5
What happens to the bulb when you open a switch in the circuit?
- 6
Add a second bulb to your circuit. What do you think will happen?
- 7
In a series circuit with two bulbs, what happens to the brightness of each bulb compared to one bulb?
Practise Electricity with Whizlo
Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 14–16. Aligned to the UK National Curriculum.