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22 point charges of 20C20C and80Cand80C are placed 18cm18cm apart.Findd the position of the point where E^ is 00

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shreenidhi , 8 Years ago
Grade 12
anser 1 Answer
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Vikas TU

Last Activity: 8 Years ago

E would be zero b/w both the chrges as both are psotive and would exhibits the repelling forces.
Hence, let at x distance the Electric field would be due to both =>
E net = E1 + E2 = 0
20k/x^2 = 80k/18 -x^2
18 – x = 2x
3x = 18
x = 6 cm.
Hence at 6 cm from 20 C charge ot would be zero.

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