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

400 rps
1,600 rps
800 rps
200 rps

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

5 kHz
33.33 kHz
50 kHz
500 kHz

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Alternating Current and Voltage
If the rms voltage drop across a 15 k resistor is 16 V, the peak current through the resistor is

10 mA
1 mA
15 mA
1.5 mA

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Alternating Current and Voltage
The average half-cycle value of a sine wave with a 40 V peak is

14.14 V
25.48 V
6.37 V
50.96 V

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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

50%
25%
100%
1%

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