PhysicsYears 12–13Capacitance
Capacitance
Understand capacitors, charge/discharge curves, energy stored and capacitors in circuits
What you'll learn
- 1
Imagine a water tank with a wide base. The bigger the tank, the more water it can store at the same pressure.
- 2
What does a bigger water tank mean for storing water?
- 3
Drag the slider to increase the capacitance. See how the charge stored changes for a fixed voltage.
- 4
A capacitor stores 20 coulombs at 5 volts. What is its capacitance?
- 5
If a capacitor stores 30 C at 10 V, what is its capacitance?
- 6
Use the number line to work out: a capacitor has capacitance 2 F and stores 8 C. What is the voltage?
- 7
What is the unit of capacitance?
Practise Capacitance with Whizlo
Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 16–18. Aligned to the UK National Curriculum.