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Alternating Current and Voltage

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
4 V
11 V

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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°
40°
45°
None of these

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Alternating Current and Voltage
A pulse waveform has a high time of 8 ms and a pulse width of 32 ms. The duty cycle is

100%
25%
50%
1%

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Alternating Current and Voltage
To produce an 800 Hz sine wave, a four-pole generator must be operated at

400 rps
1,600 rps
200 rps
800 rps

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Alternating Current and Voltage
If the rms current through a 6.8 k resistor is 8 mA, the rms voltage drop across the resistor is

7.07 V
5.44 V
54.4 V
8 V

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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
None of these
26 V
13 V

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