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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

45.12 mA
16 mA
39.6 mA
22.6 mA

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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

26.6 V
18.8 V
2.66 V
4 V

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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
200 rps
800 rps
1,600 rps

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Alternating Current and Voltage
The average value of a 12 V peak sine wave over one complete cycle is

0 V
6.37 V
1.27 V
7.64 V

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Alternating Current and Voltage
A 20 kHz pulse waveform consists of pulses that are 15 s wide. The duty cycle

is 30%
is 100%
is 1%
cannot be determined

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Alternating Current and Voltage
If the rms current through a 6.8 k resistor is 8 mA, the rms voltage drop across the resistor is

5.44 V
8 V
54.4 V
7.07 V

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