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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

7.07 V
8 V
54.4 V
5.44 V

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

10 Hz
50 Hz
1,000 Hz
100 Hz

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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
40 Hz
indeterminable
400 Hz

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Alternating Current and Voltage
A pulse waveform has a high time of 8 ms and a pulse width of 32 ms. The duty cycle is

100%
1%
50%
25%

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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
18 kHz
25 kHz
1.3 MHz

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Alternating Current and Voltage
If a sine wave goes through 10 cycles in 20 s, the period is

100 s
4 s
2 s
20 s

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