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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

33.33 kHz
5 kHz
500 kHz
50 kHz

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

25.48 V
50.96 V
6.37 V
14.14 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

2.66 V
4 V
18.8 V
26.6 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
6.37 V
7.64 V

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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
800 rps
200 rps
400 rps

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Alternating Current and Voltage
The conductive loop on the rotor of a simple two-pole, single-phase generator rotates at a rate of 400 rps. The frequency of the induced output voltage is

indeterminable
400 Hz
100 Hz
40 Hz

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