a)
Field due to infinite sheet carrying surface,
E = sigma / 2e0
E = (1 x 10^-6) / (2 x 8.854 x 10^-12 ) =56471.65 N/C towards the sheet
and force = q E = 8 x pi x 10^-6 x 56471.65
= 1.42 N toward the sheet
b) field due to +ve point charge is always away from it.
so point where field is zero will be x > 1
suppose coordinate is x .
then kq/d^2 - 56471.65 = 0
(9 x 10^9 x 8x pi x 10^-6) / ((x - 1)^2) = 56471.65
x - 1 = 2 m
x = 3 m ............Ans
Infinite sheet carrying surface charge density sigma = - 1 MuC/m^2 is in y-z plane. A...
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