the cordinate of two point charges +4microcoulomb and +9microcoulomb kept in the air are (o,+10,0)and (0,-10,0)resp.find the coordinates of a piont where electric field is zero.

Asked by hussain shaikh | 2nd Aug, 2011, 11:50: PM

Expert Answer:

Let the distance between the two point charges +4microcoloumb and +9microcolounb be 20cm as the coordinates of these charges are at (0,10,0) and (0,-10,0).
 
Let the point be at a distance x from 4microcoloumb charge.
As E1=E2

Answered by  | 3rd Aug, 2011, 05:12: PM

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