In an electron gun the control grid is given a negative pot… | CGP Edu

Physics Electron, Photon, Photoelectric Effect and X-rays Cathode Rays and Positive Rays MCQ (Single Correct)

In an electron gun the control grid is given a negative potential relative to cathode in order to

A

Decelerate electrons

B

Repel electrons and thus to control the number of electrons passing through it

C

To select electrons of same velocity and to converge them along the axis

D

To decrease the kinetic energy of electrons

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