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Alternating Current and Voltage

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

22.6 mA
39.6 mA
45.12 mA
16 mA

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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

100 Hz
400 Hz
indeterminable
40 Hz

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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
6.5 V
None of these
13 V

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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 rms current through a 6.8 k resistor is 8 mA, the rms voltage drop across the resistor is

7.07 V
54.4 V
8 V
5.44 V

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