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Alternating Current and Voltage

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

500 kHz
33.33 kHz
50 kHz
5 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

15 mA
1.5 mA
1 mA
10 mA

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Alternating Current and Voltage
A waveform has a baseline of 3 V, a duty cycle of 20%, and an amplitude of 8 V. The average voltage value is

1.6 V
11 V
4.6 V
4 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
6.37 V
7.64 V
0 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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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

1.65 V
10.60 V
16.54 V
5.93 V

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