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ALTERNATING CURRENT AND VOLTAGE

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

2.66 V
18.8 V
4 V
26.6 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

1%
25%
50%
100%

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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 peak of a sine wave is 13 V, the peak-to-peak value is

13 V
6.5 V
26 V
None of these

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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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