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Cathode Ray Oscilloscope MCQs Quiz Online PDF Download eBook

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MCQs on Cathode Ray Oscilloscope PDF Download eBook

MCQ: A cathode ray oscilloscope consists of

  1. The electron gun
  2. The deflecting plates
  3. A fluorescent screen
  4. all of above


MCQ: In C.R.O, the grid is connected to the

  1. positive potential
  2. negative potential
  3. Alternating current (AC) source
  4. Direct current (DC) source


MCQ: The number of electrons from grid reaching the screen determines the

  1. brightness level
  2. picture quality
  3. sound quality
  4. none of above


MCQ: An instrument which is used to display the magnitudes of changing electric currents or potentials is called

  1. cystoscope
  2. gastroscope
  3. microscope
  4. cathode-ray oscilloscope


MCQ: Material which gives light as a result of bombardment of fast-moving electrons is

  1. Carbon
  2. Graphene
  3. Potassium
  4. Phosphorus