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Alternating Current and Voltage

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

6.5 V
26 V
13 V
None of these

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Alternating Current and Voltage
If the rms current through a 4.7 k resistor is 4 mA, the peak voltage drop across the resistor is

18.8 V
2.66 V
4 V
26.6 V

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Alternating Current and Voltage
When a sine wave has a frequency of 100 Hz in 12 s it goes through

1,200 cycles
12 cycles
1/100 cycle
120 cycles

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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
200 rps
1,600 rps
800 rps

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

2 s
4 s
20 s
100 s

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Alternating Current and Voltage
A sine wave with a period of 4 ms is changing at a faster rate than a sine wave with a period of

0.0045 s
1.5 ms
2 ms
3,000 s

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