CRO Interview Questions Multiple Choice Questions (MCQ) PDF Download

MCQ 1: The electron gun consists of an electron source which is an electrically heated cathode that ejects

1. electrons
2. neutrons
3. protons
4. phontons

MCQ 2: The electrode to control the flow of electrons in the beam of an electron gun is called

1. pitch
2. grid
3. plate
4. cable

MCQ 3: The picture tube in our TV set and the display terminal of most computers are

1. optical fibers
2. cathode-ray tubes
3. plastic cover
4. deflecting plates

MCQ 4: The cathode-ray oscilloscope consists of

1. electron gun with control grid
2. fluorescent screen
3. deflecting plates
4. all of above

MCQ 5: The grid in the electron gun is connected to

1. both negative and positive potentials
2. positive potential
3. negative potential
4. no potential