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Alternating Current and Voltage

Alternating Current and Voltage
A sine wave with an rms value of 12 V is riding on a dc level of 18 V. The maximum value of the resulting waveform is

6 V
35 V
0 V
30 V

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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

45°
40°
0°
None of these

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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

10 mA
15 mA
1.5 mA
1 mA

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Alternating Current and Voltage
A phasor represents

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

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Alternating Current and Voltage
If the peak of a sine wave is 13 V, the peak-to-peak value is

26 V
13 V
6.5 V
None of these

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Alternating Current and Voltage
The conductive loop on the rotor of a simple two-pole, single-phase generator rotates at a rate of 400 rps. The frequency of the induced output voltage is

40 Hz
400 Hz
indeterminable
100 Hz

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