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Alternating Current And Voltage MCQ Questions & Answers | Electrical Engineering

Learn Alternating Current And Voltage MCQ questions & answers are available for a Electrical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Alternating Current And Voltage MCQ question is the important chapter for a Electrical Engineering and GATE students. Page-4 section-1

31
If the rms current through a 6.8 kΩ resistor is 8 mA, the rms voltage drop across the resistor is
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Answer & Solution
Answer: Option B
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32
If the rms current through a 4.7 kΩ resistor is 4 mA, the peak voltage drop across the resistor is
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Answer: Option C
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33
A pulse waveform has a high time of 8 ms and a pulse width of 32 ms. The duty cycle is
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Answer: Option A
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34
The length of a phasor represents the amplitude.
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Answer: Option A
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35
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
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Answer: Option C
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36
Duty cycle is the characteristic of a pulse waveform that indicates the high time versus the low time.
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Answer: Option B
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37
A 20 kHz pulse waveform consists of pulses that are 15 µs wide. The duty cycle
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Answer: Option B
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