Physics › Section N · Electric potential and capacitance › Topic N.5
Capacitor combinations and stored energy
Real circuits rarely use a single capacitor, and the reason to charge one is usually the energy it holds. Two simple rules reduce any series or parallel network to one equivalent capacitor, and one formula tells you how much energy it stores.
In this topic
- Networks of capacitors
- Capacitors in parallel
- Capacitors in series
- Worked example: two in series
- Worked example: a mixed network
- Energy stored in a capacitor
- Why not QV?
- Worked example: a camera flash
- Worked example: finding a capacitance
- Common mistakes to avoid
- Key takeaways
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