Physics › Section O · Current and circuits › Topic O.5
Resistors in series and parallel
Real circuits rarely hold just one resistor. By learning how resistors combine in series and in parallel, you can replace a whole network with a single equivalent resistance and find every current and voltage in it.
In this topic
- Two basic ways to connect
- Resistors in series
- Worked example: three in series
- Resistors in parallel
- Worked example: three in parallel
- Parallel wiring at home
- Combinations: reduce step by step
- Worked example: a series-parallel network
- Reasoning about brightness
- Common mistakes to avoid
- Key takeaways
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