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MCQ Practice Question
Measurements & InstrumentationAdvanced Measurement

A true-RMS voltmeter is valuable for nonsinusoidal waveforms because it measures a quantity related to?

  • AHeating or power-equivalent value
  • BPeak value only
  • CAverage value with no waveform dependence
  • DFrequency only
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Correct Answer: A. Heating or power-equivalent value
Explanation: RMS is the effective value that produces the same heating effect in a resistor as an equivalent DC value.
Reference: Standard measurements and instrumentation: advanced measurement
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