Qualification > Sciences
ALL PHYSICS DOUBTS - POST HERE !!
Syed Kazim:
--- Quote from: diva_sparkles on May 26, 2010, 10:10:08 pm ---sory 2 say but an increase in length increases resistance
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Oops. Sorry, I'll edit that. :-[
Done.
diva_sparkles:
--- Quote from: NightHawkerr on May 26, 2010, 10:10:46 pm ---Can somebody tell me what to study for the CRO for tomorrow's exam? I mean I know how to label and stuff, but then they get too complicated! HELP! ???
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can u ask frm a specific pastpaper tht will be easier 2 explain?
Vin:
--- Quote from: Baladya on May 26, 2010, 10:09:23 pm ---k thx all :P Vin plz stay alive for tommorow :D xD jk :P but plz help tommorow :P
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haha LOL .. i wont die without helping u :P
NightHawkerr:
umm O/N 2001 Q 9.
Baladya:
--- Quote from: NightHawkerr on May 26, 2010, 10:10:46 pm ---Can somebody tell me what to study for the CRO for tomorrow's exam? I mean I know how to label and stuff, but then they get too complicated! HELP! ???
--- End quote ---
Cathode is heated and shoots electrons at high speed (and energy). It is the thing on the left. Then the anode atracts the electron and makes the electron pass through a gap in it. Then u've got the y-plates which move the electron up and down by + and -plates .(postitive attracts electron, negative deflects it. X-plates same thing but left and right. Then there is a Fluorescent screen which gives light when the electron hit it. A time-based circuit is connected to X-plates to move the dot (the dot shown on the screen) left to right at a constant speeed and then returns it very quickly to the start.
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