The focusing system in a CRT is needed to force the electron beam to converge into a _____________ as it strikes the phosphor.

Related MCQs

• A CRT monitor displays color picture by using a combination of phosphor that emits light of __________ color
• A shadow-mask CRT has______________ phosphor color dots at each pixel position.
• In beam penetration method, ________________ layers of phosphor are usually used.
• In beam penetration method, ______________and____________ layers of phosphor are usually used.
• Spots of __________ are produced on the screen by the transfer of the CT beam energy to the phosphor.
• In raster scan system the electron beam is swept across screen from _____________.
• A beam of electrons emitted by an electron gun is also called as ______________.
• Intensity of the electron beam is controlled by setting voltage levels on the________.
• The__________________ emits a small spot of light at each position contacted by the electron beam.
• At the end of scan line, the electron beam returns to the ______ side of the screen.