Which of the following is most likely to introduce uncertainty in a current measurement in a typical circuit?
Understand the Problem
The question asks us to identify the factor that is most likely to introduce uncertainty in a current measurement in a typical circuit. We need to consider the options provided and determine which one would realistically cause inaccuracies or variations in the current reading.
Answer
Introduction of measuring instruments.
The introduction of a measuring instrument into the circuit is most likely to introduce uncertainty in a current measurement in a typical circuit.
Answer for screen readers
The introduction of a measuring instrument into the circuit is most likely to introduce uncertainty in a current measurement in a typical circuit.
More Information
Voltmeters and ammeters can alter the circuit they are measuring, thereby introducing uncertainties.
Sources
- Null Measurements | Physics - Lumen Learning - courses.lumenlearning.com
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