Exercise: Alternating Current Vs Direct Current

Questions for: Alternating Current Vs Direct Current

The __________ is defined as the ratio of a pulse width (positive or negative pulse or cycle) to the overall period of time of the wave.
A:
pulse width
B:
duty cycle
C:
phase shift
D:
active ratio
Answer: B
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The letter in the Greek alphabet used to represent wavelength is __________.
A:
lambda
B:
theta
C:
omega
D:
delta
Answer: A
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The average value of a sine wave is .707 times the peak value.
A:
True
B:
False
C:
D:
Answer: B
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The period of a 10 kHz sine wave is 10 mu.gifs.
A:
True
B:
False
C:
D:
Answer: B
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A sawtooth voltage waveform has a linear ramp that changes voltage level with respect to time.
A:
True
B:
False
C:
D:
Answer: A
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