Electrical Engineering › Section C · Series circuits › Topic C.1
Series circuits and sources in series
String parts end to end and they must all carry the same current. That single fact makes series circuits the easiest networks to analyse, and the rules you learn here run through every circuit that follows.
In this topic
- What makes elements series
- One current, rises and drops
- Total resistance
- Current, then each voltage
- Worked example: three resistors on 12 V
- Worked example: working backwards
- Voltage sources in series
- Worked example: an opposing source
- When one element opens
- Common mistakes to avoid
- Key takeaways
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