Tardigrade
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Tardigrade
Question
Physics
In an electron gun, the control grid is given a negative potential, relative to cathode in order to
Q. In an electron gun, the control grid is given a negative potential, relative to cathode in order to
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A
accelerate the electrons
B
decrease KE of electrons
C
repel the electrons
D
decelerate the electrons
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.