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Alternating Current and Voltage

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
0 V
6.37 V

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Alternating Current and Voltage
A 20 kHz pulse waveform consists of pulses that are 15 s wide. The duty cycle

is 30%
is 100%
cannot be determined
is 1%

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Alternating Current and Voltage
If a sine wave goes through 10 cycles in 20 s, the period is

4 s
100 s
20 s
2 s

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Alternating Current and Voltage
If the peak of a sine wave is 13 V, the peak-to-peak value is

None of these
6.5 V
26 V
13 V

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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

6 V
0 V
35 V
30 V

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

25.48 V
50.96 V
14.14 V
6.37 V

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