Two positive point charges 4micro c and 1 micro c are at a distance of 2 m.find the point on the line joining the charges where the net electric field is 0.
Akshat , 6 Years ago
Grade 12
1 Answers
Khimraj
Last Activity: 6 Years ago
let distance from 4 micro C is x
then
(K*4*10-6)/x2 = (K*1*10-6)/(2-x)2
then
4/x2 = 1/(2-x)2
taking square root both side
2/x = 1/(2-x)
4 – 2x = x
SO x = 4/3 m from 4 micro C.
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