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Alternating Current and Voltage

Alternating Current and Voltage
The average half-cycle value of a sine wave with a 40 V peak is

14.14 V
25.48 V
50.96 V
6.37 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

1%
25%
50%
100%

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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

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Alternating Current and Voltage
A signal with a 400 s period has a frequency of

400 Hz
250 Hz
25,000 Hz
2,500 Hz

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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

40 Hz
400 Hz
indeterminable
100 Hz

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Alternating Current and Voltage
How many degrees are there in /3 rad?

6°
180°
60°
27°

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