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Alternating Current and Voltage

Alternating Current and Voltage
One sine wave has a positive-going zero crossing at 15° and another sine wave has a positive-going zero crossing at 55°. The phase angle between the two waveforms is

40°
None of these
0°
45°

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

39.6 mA
16 mA
22.6 mA
45.12 mA

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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
4.6 V
11 V
1.6 V

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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

1.3 MHz
18 kHz
25 kHz
12 kHz

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

6.37 V
1.27 V
0 V
7.64 V

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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

7.07 V
5.44 V
54.4 V
8 V

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