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Alternating Current and Voltage

Alternating Current and Voltage
A phasor represents

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

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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

4 V
11 V
4.6 V
1.6 V

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Alternating Current and Voltage
A sawtooth wave has a period of 10 ms. Its frequency is

10 Hz
50 Hz
1,000 Hz
100 Hz

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Alternating Current and Voltage
If a sine wave goes through 10 cycles in 20 s, the period is

2 s
100 s
4 s
20 s

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

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

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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
100 Hz
400 Hz
40 Hz

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