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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

None of these
26 V
6.5 V
13 V

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

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

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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

1.5 ms
2 ms
0.0045 s
3,000 s

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Alternating Current and Voltage
A square wave has a period of 60 s. The first odd harmonic is

500 kHz
33.33 kHz
5 kHz
50 kHz

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Alternating Current and Voltage
Sine wave A has a positive-going zero crossing at 45°. Sine wave B has a positive-going zero crossing at 60°. Which of the following statements is true?

Wave A lags wave B by 15°.
Wave A leads wave B by 105°.
Wave A leads wave B by 15°.
Wave A lags wave B by 105°.

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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
1/100 cycle
120 cycles
1,200 cycles

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