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Alternating Current and Voltage

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

7.64 V
1.27 V
6.37 V
0 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 1%
is 30%
cannot be determined
is 100%

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Alternating Current and Voltage
If the rms voltage drop across a 15 k resistor is 16 V, the peak current through the resistor is

1 mA
1.5 mA
15 mA
10 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

4 V
26.6 V
18.8 V
2.66 V

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Alternating Current and Voltage
How many degrees are there in /3 rad?

60°
6°
180°
27°

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Alternating Current and Voltage
The average half-cycle value of a sine wave with a 40 V peak is

25.48 V
14.14 V
50.96 V
6.37 V

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