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Alternating Current and Voltage

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

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

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Alternating Current and Voltage
A phasor represents

the phase angle
the magnitude and a quantity direction
the width of a quantity
the magnitude of a quantity

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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

400 Hz
40 Hz
indeterminable
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

1%
100%
25%
50%

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

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

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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
200 rps
400 rps
800 rps

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MORE MCQ ON Alternating Current and Voltage

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