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Alternating Current and Voltage

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

5.44 V
7.07 V
8 V
54.4 V

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

6°
60°
180°
27°

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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

12 kHz
25 kHz
1.3 MHz
18 kHz

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Alternating Current and Voltage
A sawtooth wave has a period of 10 ms. Its frequency is

1,000 Hz
10 Hz
50 Hz
100 Hz

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

39.6 mA
45.12 mA
22.6 mA
16 mA

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