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Alternating Current and Voltage

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

400 rps
800 rps
1,600 rps
200 rps

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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
1/100 cycle
120 cycles

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Alternating Current and Voltage
A sine wave with an rms value of 12 V is riding on a dc level of 18 V. The maximum value of the resulting waveform is

35 V
30 V
6 V
0 V

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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

25%
100%
1%
50%

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Alternating Current and Voltage
The conductive loop on the rotor of a simple two-pole, single-phase generator rotates at a rate of 400 rps. The frequency of the induced output voltage is

400 Hz
100 Hz
40 Hz
indeterminable

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Alternating Current and Voltage
A sinusoidal current has an rms value of 14 mA. The peak-to-peak value is

39.6 mA
45.12 mA
16 mA
22.6 mA

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