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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

25.48 V
6.37 V
50.96 V
14.14 V

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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
26.6 V
4 V
2.66 V

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Alternating Current and Voltage
A phasor represents

the magnitude and a quantity direction
the magnitude of a quantity
the phase angle
the width of a quantity

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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
3,000 s
1.5 ms
2 ms

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

500 kHz
5 kHz
33.33 kHz
50 kHz

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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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