WorksheetsAlternating Current
Total questions: 20
Worksheet time: 10mins
Frequency is measured in ________
Farads
Henrys
Hertz
Freques
What is the amount of time necessary to complete one cycle if the waveform has a frequency of 200Hz?
5ms
10ms
3ms
12ms
What is defined as the amount of time to complete one full waveform?
Cycle
Period
Frequency
Hertz
What is defined as the number of occurrences of a repeating waveform per sec?
Cycle
Period
Frequency
Hertz
What is the peak voltage if you have 120 volts RMS?
84.87v
120v
169.68v
76.44v
What is the frequency if an ac waveform completes a cycle every 16.66ms?
60MHz
100Hz
120Hz
60Hz
Which of the following is NOT 0v on an AC waveform?
0 degrees
90 degrees
180 degrees
360 degrees
What is the RMS voltage if you have 400 volts Peak?
282.89v
347v
240v
312.59v
What is the AVG voltage if you have 48 volts RMS?
24v
56.23v
30v
43.2v
What is the AVG voltage if you have 848.4 volts Peak?
600v
540.43v
477v
689.23v
In a triangle wave, voltage increases at a _____ rate with respect to time.
Non-Linear
Sinusoidal
Linear
Circular
What is the peak voltage if you have 249.5 volts AVG?
367.59v
277.22v
391.68v
300v
What effect occurs when eddy currents into the conductor cause the electrons to be repelled toward the outer surface of the conductor.
Butterfly
Skin
Accelorator
Tesla
What is the RMS voltage if you have 432 volts AVG?
600v
347v
450v
480v
The amplitude of a sine wave is also known as what?
RMS
Middle
Average
Peak
What is the instantaneous voltage along a sine wave at 150 degrees if the peak voltage of the sine wave is 200 volts?
200v
150v
120v
100v
What type of wave is this?
Triangle
Sine
Cosine
Square
What is the peak value of a sine wave if the instantaneous voltage is 68 volts at 53.13 degrees?
85v
90v
100v
120v
DC can be transformed
True
False
What is the angle in a sine wave if the instantaneous voltage is 300 volts and the peak voltage is 347volts?
90 degrees
47.96 degrees
59.83 degrees
0 degrees
