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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-3 section-1

21
A square wave has a period of 60 µs. The first odd harmonic is
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Answer: Option B
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22
Periodic is characterized by a repetition at fixed time intervals.
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Answer: Option A
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23
The designation rms means repetitions measured per second.
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Answer: Option B
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24
A saw-tooth wave has a period of 10 ms. Its frequency is
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Answer: Option C
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25
The average value of a 12 V peak sine wave over one complete cycle is
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Answer: Option A
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26
The duty cycle of a pulse waveform with a pulse width of 10 µs and a period of 100 µs is 25%.
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Answer: Option B
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27
If the rms voltage drop across a 15 kΩ resistor is 16 V, the peak current through the resistor is
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Answer: Option B
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28
The angular position of a phasor represents the angle of the sine wave with respect to a reference.
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Answer: Option A
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29
The unit of frequency is the hertz.
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Answer: Option A
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30
How many degrees are there in p/3 rad?
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Answer: Option B
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