Electrical Engineering › Section C · Series circuits › Topic C.5
Measurement techniques
A meter only tells the truth if it is connected the right way round, in the right place, and without disturbing what it measures. This topic turns series-circuit theory into bench practice, from reading signed voltages to measuring a source's internal resistance safely and finding a fault in a dead string.
In this topic
- Meters in series circuits
- Ammeter resistance and burden
- Getting the sign right
- Worked example: predicting meter readings
- Never put an ammeter across a source
- Measuring internal resistance safely
- Worked example: a load test
- Finding an open in a series string
- Series loops as safety circuits
- Common mistakes to avoid
- Key takeaways
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