Download Aptitude Crack
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Communication Systems - Engineering

Q1:

Colour picture tube needs higher anode voltage and needs larger beam and cathode currents than monochrome tube because

A it is bigger in size

B it has higher level of illumination

C the tube has to illuminate three phosphors simultaneously

D the tube has lower efficiency because of aperture mask

ANS:D - the tube has lower efficiency because of aperture mask

No answer description is available.