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- General Radiotelephone Operator (Element 3 (GROL)) »
- FCC Element 3 - General Radiotelephone
35. By what factor must the voltage measured in an AC circuit, as indicated on the scale of an AC voltmeter, be multiplied to obtain the average voltage value?
An AC voltmeter measures RMS voltage; to obtain the average voltage value for a sinusoidal waveform, multiply the meter reading by 0.9.
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