An infinite number of electric charges each equal to 5 nano coulombs are placed along x-axis at x = 1 cm, x-2 cm, x -4 cm, x = 8 cm,.. and so on. In this setup, if the consecutive charges have opposite sign, then the electric field in newton/coulomb at x =0 is

Options

A. `12 xx 10^(4)`
B. `24 xx 10^(4)`
C. `36 xx 10^(4)`
D. `48 xx 10^(4)`

Answer

( c)

Explanation

for solution refer Q30