anonymous
  • anonymous
Cathode rays oscillsocope, can someone expalin that to me??
Physics
chestercat
  • chestercat
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anonymous
  • anonymous
do you know what a simple CRT is ?
anonymous
  • anonymous
YES
anonymous
  • anonymous
do you know what an oscilloscope is?

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anonymous
  • anonymous
no
anonymous
  • anonymous
an oscilloscope is a device which generates various kinds of waveform of an electrical signal.. like sine wave, square wave, etc..!!
anonymous
  • anonymous
not generates.. it shows ..!! NOT GENERATES ..
anonymous
  • anonymous
like the ones used in hospitals
anonymous
  • anonymous
exactly... it doesn't generate m sorry.. those are called as oscillators... oscilloscope will show you!!.. what kind of signal is being fed into them!
anonymous
  • anonymous
OK, but in my book it shows a figure involving a filament and some deflection plates. Can u explain that to me please?
anonymous
  • anonymous
filament and deflection plates form the part of CRT.. thats why i asked if you knew what CRT was.. so I figured you knew :P.. CRT is only used to DISPLAY it to us!!.. filament is heated to a very high temperature.. the electrons are stripped off from the surface of the material (thermionic emission) then to make sure the electrons are coming straight as we want and not thrown off somewhere a high potential difference is applied.. so a fine beam of electron is generated.. then we have a set of horizontal and vertical deflection plates where cross fields are put.. its called as velocity selector .. by changing the mag and electrical fields you can make the electron go anywhere and hit the phosphor screen!..
anonymous
  • anonymous
So in CRO it is used for displaying while CRT for generating right?
anonymous
  • anonymous
CRT IS A PART OF CRO.. nothing is being generated here!!
anonymous
  • anonymous
Thank you and here's a medal
anonymous
  • anonymous
aww shoo shweet :D

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