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Alternating Current and Voltage

Alternating Current and Voltage
A signal with a 400 s period has a frequency of

250 Hz
25,000 Hz
2,500 Hz
400 Hz

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

100%
50%
25%
1%

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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
16 mA
39.6 mA
22.6 mA

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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
40 Hz
100 Hz
400 Hz

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Alternating Current and Voltage
When a sine wave has a frequency of 100 Hz in 12 s it goes through

12 cycles
1/100 cycle
120 cycles
1,200 cycles

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