A-003-01: AC - peak, peak-to-peak, average, RMS
A-003-01-01:
What is the easiest amplitude dimension to measure by viewing a pure sine wave on an oscilloscope?
Peak-to-peak voltage
Peak voltage
RMS voltage
Average voltage
A-003-01-02:
What is the RMS value of a 340 volt peak-to-peak pure sine wave?
120 volts
170 volts
240 volts
300 volts
A-003-01-03:
What is the equivalent to the RMS value of an AC voltage?
The AC voltage causing the same heating of a given resistor as a DC voltage of the same value
The AC voltage found by taking the square of the average value of the peak AC voltage
The DC voltage causing the same heating of a given resistor as the peak AC voltage
The AC voltage found by taking the square root of the average AC value
A-003-01-04:
If the peak value of a 100 Hz sinusoidal waveform is 20 volts, the RMS value is:
14.14 volts
28.28 volts
7.07 volts
16.38 volts
A-003-01-05:
In applying Ohm's law to AC circuits, current and voltage values are:
peak values times 0.707
average values
average values times 1.414
none of the proposed answers
A-003-01-06:
The effective value of a sine wave of voltage or current is:
70.7% of the maximum value
50% of the maximum value
100% of the maximum value
63.6% of the maximum value
A-003-01-07:
AC voltmeter scales are usually calibrated to read:
RMS voltage
peak voltage
instantaneous voltage
average voltage
A-003-01-08:
An AC voltmeter is calibrated to read the:
effective value
peak-to-peak value
average value
peak value
A-003-01-09:
Which AC voltage value will produce the same amount of heat as a DC voltage, when applied to the same resistance?
The RMS value
The average value
The peak value
The peak-to-peak value
A-003-01-10:
What is the peak-to-peak voltage of a sine wave that has an RMS voltage of 120 volts?
339.5 volts
84.8 volts
169.7 volts
204.8 volts
A-003-01-11:
A sine wave of 17 volts peak is equivalent to how many volts RMS?
12 volts
24 volts
34 volts
8.5 volts
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