Q. 8

# Two charged particles are placed at a distance 1.0 cm apart. What is the minimum possible magnitude of the electric force acting on each charge?

Given: missing

For the electric force to be minimum, the magnitude of charge on the particles must be minimum. As both the particles are charged, they must have non-zero minimum charge.

Hence, they both must carry charge having magnitude of fundamental unit of charge i.e. 1.6 × 1019 C.

Magnitude of charges,

Distance between the charged particles,

________________________________________________

Formula used:

By Coulomb’s law, the electric force is given by:

Where ϵ0 is the permittivity of free space

k is the electrostatic constant

q1 and q2 are the magnitude of charges

r is the distance of separation between the charges

__________________________________________________

The magnitude of electric force is:

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