Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 12
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In a Coolidge Tube, Electrons Strike the Target and Stop Inside It. Does the Target Get More and More Negatively Charged as Time Passes? - Physics

Short Note

In a Coolidge tube, electrons strike the target and stop inside it. Does the target get more and more negatively charged as time passes?

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An electron emitted from the filament undergoes a number of collisions inside the material and loses its kinetic energy before coming to rest. This energy is utilised to give out photons or  eject electrons from the atoms of the target. These electrons move to the battery connected to the circuit. Thus, the target does not get more and more negatively charged as time passes.

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HC Verma Class 11, Class 12 Concepts of Physics Vol. 2
Chapter 22 X-rays
Short Answers | Q 2 | Page 393
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