A) accelerate the electrons
B) decrease\[KE\]of electrons
C) repel the electrons
D) decelerate the electrons
Correct Answer: C
Solution :
In an electron gun, the control grid is given a negative potential relative to cathode in order to repel the electrons so that a converging beam of electrons emerges from gun.You need to login to perform this action.
You will be redirected in
3 sec