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Ask iit jee aieee pet cbse icse state board community Discussion Response Post to: at a certain distance from a point charge the field intensity is 500V\m and the potential is -300 V.
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[Post New] 5 Jul 2009 16:29:33 IST
   Subject: at a certain distance from a point charge the field intensity is 500V\m and the potential is -30
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akki ~~ unlucky forever ~~ (1635)

Olaaa!! Perrrfect answer. 275  [405 rates]
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we have relation,b/w elec field & pot

 

V = - E . ds

 

-300 = -500 . r

 

=> r = 0.6 m

 

V = -Kq /r

 

=> q = 20 nC
all's well that end's well, but if it dosen't, then it is not the end . . .
  this reply:   2 points  (with 0  Olaaa!! Perrrfect answer.   in 1   votes   )     [?]
 
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