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Alternating Current and Voltage

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

6°
60°
180°
27°

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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
120 cycles
1,200 cycles
1/100 cycle

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

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

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Alternating Current and Voltage
The average value of a 12 V peak sine wave over one complete cycle is

6.37 V
0 V
7.64 V
1.27 V

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

2 s
20 s
4 s
100 s

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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

4 V
4.6 V
1.6 V
11 V

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