To increase the energy of these slow moving electron and create a bright picture in DUST , the screen is maintained at a
A) low positive potential
B) high negative potential
C) high positive potential
D) none

Question

Quizplus · Accepted Answer

To increase the energy of slow-moving electrons and create a bright picture in a CRT (Cathode Ray Tube) display, the screen is maintained at a high positive potential. This accelerates the electrons towards the screen, increasing their energy and thus the brightness of the image.

To Increase the Energy of These Slow Moving Electron and Create