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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.

1
To produce an 800 Hz sine wave, a four-pole generator must be operated at
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Answer: Option B
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2
Sine wave A has a positive-going zero crossing at 45°. Sine wave B has a positive-going zero crossing at 60°. Which of the following statements is true?
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Answer: Option A
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3
A ramp is the type of waveform characterized by a non-linear increase or decrease in voltage or current.
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Answer: Option B
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4
Amplitude is the maximum value of a voltage or current.
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Answer: Option A
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5
The average half-cycle value of a sine wave with a 40 V peak is
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Answer: Option A
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6
A sine wave of 15 kHz is changing at a faster rate than a sine wave with a frequency of
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Answer: Option B
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7
When a sine wave has a frequency of 100 Hz in 12 s it goes through
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Answer: Option D
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8
If a sine wave goes through 10 cycles in 20 µs, the period is
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Answer: Option C
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9
A phasor represents
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Answer: Option A
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10
A waveform has a baseline of 3 V, a duty cycle of 20%, and an amplitude of 8 V. The average voltage value is
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Answer: Option A
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