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Physics Help HERE ONLY !!

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aj ahmed07:
thnxxxx dude.........awesome links and notes.................thanxxxxxxxx again ;D ;D ;D ;D ;D ;D ;D

godfather93:
thanks!

qwert101:

--- Quote from: astarmathsandphysics on May 23, 2009, 06:09:03 pm ---
--- Quote from: qwert101 on May 23, 2009, 06:07:49 pm ---hi people,

whats the formula connecting the number of electrons, time, and charge?
it was on M/J 02

q 7c) i) and ii)

thanks alot, Just need to know the formula, I ve forgotten it! ???

--- End quote ---

Q=net

--- End quote ---

great! , thanks but what does e stand for , n is number of electrons, q is charge, t is time right?

godfather93:
it's number of electrons x time

MaNa:

--- Quote from: Bani on May 23, 2009, 05:32:42 pm ---
--- Quote from: godfather93 on May 23, 2009, 05:16:54 pm ---
--- Quote from: mana on May 23, 2009, 04:56:09 pm ---
--- Quote from: godfather93 on May 23, 2009, 04:54:49 pm ---it's a very similar arrangement to the cathode ray tube.

--- End quote ---
can u explain n tell me
please :)

--- End quote ---

here's a rough drawing of the thing

--- End quote ---

mana, for part ii), the readings that would need to be taken are: First, record the background radiation (without the source and absorber), then record the radiation count with the source (using the detector) and lastly, record the radiaiton count with source and absorber (using the detector).

P.S Did anyone try drawing for Q7a), May/June 2008, paper 3???

--- End quote ---
THANK YOU SOOOOOO MUCH :D:D:D:D:D :D ;D

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