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Alternating Current and Voltage
A signal with a 400 s period has a frequency of
25,000 Hz
400 Hz
2,500 Hz
250 Hz
25,000 Hz
400 Hz
2,500 Hz
250 Hz
Answer
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Related Question
Alternating Current and Voltage
A sawtooth wave has a period of 10 ms. Its frequency is
50 Hz
100 Hz
10 Hz
1,000 Hz
50 Hz
100 Hz
10 Hz
1,000 Hz
Answer
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Alternating Current and Voltage
When a sine wave has a frequency of 100 Hz in 12 s it goes through
12 cycles
1,200 cycles
120 cycles
1/100 cycle
12 cycles
1,200 cycles
120 cycles
1/100 cycle
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
0°
45°
40°
None of these
0°
45°
40°
None of these
Answer
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Alternating Current and Voltage
The average value of a 12 V peak sine wave over one complete cycle is
7.64 V
1.27 V
6.37 V
0 V
7.64 V
1.27 V
6.37 V
0 V
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
6.5 V
13 V
None of these
26 V
6.5 V
13 V
None of these
26 V
Answer
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