Cathode Ray Oscilloscope Multiple Choice Questions (MCQ) PDF Download

MCQ : A cathode ray oscilloscope consists of

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

MCQ 1: 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 2: 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 3: An instrument which is used to display the magnitudes of changing electric currents or potentials is called

1. cystoscope
2. gastro-scope
3. microscope
4. cathode-ray oscilloscope

MCQ 4: Material which gives light as a result of bombardment of fast-moving electrons is

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