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Alternating Current and Voltage

Alternating Current and Voltage
A sinusoidal current has an rms value of 14 mA. The peak-to-peak value is

22.6 mA
16 mA
39.6 mA
45.12 mA

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

50 Hz
100 Hz
10 Hz
1,000 Hz

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Alternating Current and Voltage
To produce an 800 Hz sine wave, a four-pole generator must be operated at

400 rps
1,600 rps
200 rps
800 rps

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Alternating Current and Voltage
A phasor represents

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

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Alternating Current and Voltage
A sine wave of 15 kHz is changing at a faster rate than a sine wave with a frequency of

25 kHz
12 kHz
18 kHz
1.3 MHz

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

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

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