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# An electron placed at a distance $3\;m$ from a point charge that is placed at the origin, experiences a force of $6.4 \times 10^{−16} \;N$ along the positive x axis. The electric field at the position of the electron is

The electric field at the position of the electron is $4 \times 10^3 NC^{−1}\; along\; negative\; x-axis$