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Alternating Current and Voltage
When a sine wave has a frequency of 100 Hz in 12 s it goes through
1/100 cycle
120 cycles
1,200 cycles
12 cycles
1/100 cycle
120 cycles
1,200 cycles
12 cycles
Answer
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Related Question
Alternating Current and Voltage
The average value of a 12 V peak sine wave over one complete cycle is
0 V
6.37 V
1.27 V
7.64 V
0 V
6.37 V
1.27 V
7.64 V
Answer
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Alternating Current and Voltage
A waveform has a baseline of 3 V, a duty cycle of 20%, and an amplitude of 8 V. The average voltage value is
1.6 V
4.6 V
11 V
4 V
1.6 V
4.6 V
11 V
4 V
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
45°
0°
None of these
40°
45°
0°
None of these
40°
Answer
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Alternating Current and Voltage
If the rms current through a 4.7 k resistor is 4 mA, the peak voltage drop across the resistor is
2.66 V
26.6 V
18.8 V
4 V
2.66 V
26.6 V
18.8 V
4 V
Answer
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Alternating Current and Voltage
A square wave has a period of 60 s. The first odd harmonic is
5 kHz
500 kHz
33.33 kHz
50 kHz
5 kHz
500 kHz
33.33 kHz
50 kHz
Answer
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