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

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

CMC MedicalCMC Medical 2007

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.