Direct Current and Alternating Current MCQs Quiz Worksheet PDF Download

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MCQ on Direct Current and Alternating Current Quiz PDF Download

MCQ: Wire maintained at zero potential by connecting it to Earth at power station itself is called

  1. Earth/ground wire
  2. livewire
  3. neutral wire
  4. delta wire

C

MCQ: Current produced by AC generators is

  1. alternative current
  2. fixed current
  3. negative current
  4. direct current

A

MCQ: Time interval after which alternative current voltage or current repeats its value is called its

  1. frequency
  2. time period
  3. amplitude
  4. wavelength

B

MCQ: Positive and negative terminals of direct current have

  1. no polarity
  2. fixed polarity
  3. variable polarity
  4. always negative polarity

B

MCQ: Potential difference between live wire and neutral wire is

  1. 180 V
  2. 320 V
  3. 250 V
  4. 220 V

D