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Alternating Current and Voltage

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

5.93 V
10.60 V
16.54 V
1.65 V

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Alternating Current and Voltage
The average value of a 12 V peak sine wave over one complete cycle is

1.27 V
0 V
7.64 V
6.37 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
4 V
2.66 V
26.6 V

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

45.12 mA
22.6 mA
39.6 mA
16 mA

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Alternating Current and Voltage
A sawtooth wave has a period of 10 ms. Its frequency is

1,000 Hz
10 Hz
50 Hz
100 Hz

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Alternating Current and Voltage
A pulse waveform has a high time of 8 ms and a pulse width of 32 ms. The duty cycle is

25%
100%
1%
50%

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