Electrical Engineering › Section F · Network theorems (dc) › Topic F.2
Thevenin's theorem
However many sources and resistors sit behind two terminals, a linear network looks to the outside world like one voltage source and one resistor. Thevenin's theorem tells you how to find that pair, and once you have it, every load can be analysed in a single line.
In this topic
- A whole network as one source
- The theorem
- Finding the Thevenin voltage
- Finding the Thevenin resistance
- Worked example: a loaded divider
- Worked example: two sources
- The open-circuit and short-circuit check
- Measuring a Thevenin equivalent
- Common mistakes to avoid
- Key takeaways
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