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![[Post New]](/templates/default/images/icon_minipost_new.gif) 7 Apr 2008 20:57:22 IST
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can we give 1 coulomb charge to a metallic sphere of radius 1 cm ?plz explain ,its urgent.....
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7 Apr 2008 21:15:07 IST
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anyone can explain plzzzzzzzzzz
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7 Apr 2008 21:30:00 IST
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hello is there anybody to explain
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7 Apr 2008 21:30:16 IST
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hello is there anybody to explain
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7 Apr 2008 21:37:19 IST
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yes of course y cant we??
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7 Apr 2008 21:39:18 IST
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aa rite u r askin from Brilliant paper arent u???well even i didnt understand ...tthey gave it as Potential is much greater than tht req to ionise air???means wat?? ididnt get it...
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ya that may work....capacitance is R/k (where r is radius and k is inverse of 4pi.ep.)
and potential is Q/C...
C is of the order 10^-11 and Q is of the order 1
so potential is of order 10^11...and ionising potential of air is approx. 10^6 V...so air will be ionoised and some charge will be neutralised...
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7 Apr 2008 21:45:12 IST
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but how is there any rel bet pot and ionisation of air..and charge to be given to a sphere????well place tht sphere in space and then ......i didnt get their expl....
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7 Apr 2008 21:48:09 IST
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it may be in space....but such a foolish question can't come in exam....answer may be NO.....difficult to think without the answer....
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