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Alternating Current and Voltage

Alternating Current and Voltage
A sinusoidal current has an rms value of 14 mA. The peak-to-peak value is

22.6 mA
16 mA
39.6 mA
45.12 mA

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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

26.6 V
4 V
2.66 V
18.8 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

1/100 cycle
12 cycles
1,200 cycles
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
800 rps
200 rps
1,600 rps

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Alternating Current and Voltage
Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor and 4.2 V rms across the other, the peak source voltage is

16.54 V
1.65 V
5.93 V
10.60 V

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Alternating Current and Voltage
A sine wave with an rms value of 12 V is riding on a dc level of 18 V. The maximum value of the resulting waveform is

30 V
0 V
35 V
6 V

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