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Alternating Current and Voltage

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
2 ms
1.5 ms
3,000 s

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Alternating Current and Voltage
A sine wave of 15 kHz is changing at a faster rate than a sine wave with a frequency of

25 kHz
12 kHz
18 kHz
1.3 MHz

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Alternating Current and Voltage
If the rms current through a 6.8 k resistor is 8 mA, the rms voltage drop across the resistor is

5.44 V
8 V
7.07 V
54.4 V

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

100 s
2 s
20 s
4 s

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Alternating Current and Voltage
To produce an 800 Hz sine wave, a four-pole generator must be operated at

1,600 rps
400 rps
800 rps
200 rps

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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

2.66 V
18.8 V
4 V
26.6 V

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MORE MCQ ON Alternating Current and Voltage

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