Describe Heated metal cathode and Control grid

Question

Describe Heated metal cathode and Control grid?

Answer 1

Heat is supplied to the cathode by directing the beam through a coil of wire called the filament inside the cylindrical cathode structure.

Control grid

Strength of an electron beam is managed with setting the voltage levels on the control grid, which is a metal cylinder that fits to the cathode.

♦ Various types of phosphorus are available

♦ The major dissimilarity among phosphors is its persistence other than color.

♦ The maximum number of points that can be displayed without overlap on a CRT is referred to as resolution.

♦ Another property is aspect ratio