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Alternating Current and Voltage
To produce an 800 Hz sine wave, a four-pole generator must be operated at
800 rps
400 rps
1,600 rps
200 rps
800 rps
400 rps
1,600 rps
200 rps
Answer
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Related Question
Alternating Current and Voltage
A 20 kHz pulse waveform consists of pulses that are 15 s wide. The duty cycle
cannot be determined
is 100%
is 30%
is 1%
cannot be determined
is 100%
is 30%
is 1%
Answer
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Alternating Current and Voltage
One sine wave has a positive-going zero crossing at 15° and another sine wave has a positive-going zero crossing at 55°. The phase angle between the two waveforms is
None of these
0°
40°
45°
None of these
0°
40°
45°
Answer
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Alternating Current and Voltage
A square wave has a period of 60 s. The first odd harmonic is
50 kHz
5 kHz
33.33 kHz
500 kHz
50 kHz
5 kHz
33.33 kHz
500 kHz
Answer
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Alternating Current and Voltage
A signal with a 400 s period has a frequency of
400 Hz
2,500 Hz
250 Hz
25,000 Hz
400 Hz
2,500 Hz
250 Hz
25,000 Hz
Answer
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Alternating Current and Voltage
If the peak of a sine wave is 13 V, the peak-to-peak value is
None of these
13 V
6.5 V
26 V
None of these
13 V
6.5 V
26 V
Answer
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