The electric field due to an isolated point charge has magnitude at a point from the…

PHYSICS · Subjective · CBSE · Physics · Electric Charges and Fields · Electric Charges and Fields

Problem

The electric field due to an isolated point charge has magnitude

400\,\text{N}\,\text{C}^{-1}

at a point

10\,\text{cm}

from the charge. Calculate the field magnitude at a point

30\,\text{cm}

from the same charge.