Electrical Engineering › Section D · Parallel and series-parallel circuits › Topic D.1
Parallel elements, total conductance, and resistance
Connect elements side by side between the same two points and they all get the same voltage. Parallel connections are how homes, vehicles and circuit boards feed many loads from one supply, and they combine by adding conductances rather than resistances.
In this topic
- What makes elements parallel
- Recognising parallel connections
- Total conductance and resistance
- Worked example: three resistors in parallel
- Shortcuts for common cases
- Always below the smallest
- Designing for a target resistance
- The parallel circuit with a source
- Worked example: two loads on 24 V
- Parallel in practice
- Common mistakes to avoid
- Key takeaways
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