The electrostatic force between two given point charges is when their separation is

PHYSICS · Single correct · CBSE · Physics · Electric Charges and Fields · Electric Charges and Fields

Problem

The electrostatic force between two given point charges is

F

when their separation is

r

. What will be the force if each charge is doubled and the separation is increased to

3r

? (a)

\dfrac{4F}{3}

(b)

\dfrac{2F}{9}

(c)

\dfrac{4F}{9}

(d)

\dfrac{2F}{3}