Question

What is the magnitude of the electrostatic force between two electrons each having a charge of 1.6 x 10-19 C separated by a distance of 1.00 × l0– 8 meter?

A)
2.56 × 10–22 N
B)
2.30 × 10–20 N
C)
2.30 × 10–12 N
D)
1.44 × 10–1 N

Answer 1

The correct option is (C).

Step-by-step explanation:

The distance between two charges,
`d=10^(-8)\ m`

We need to find the magnitude of the electrostatic force between two electrons. The formula for the electric force between charges is given by :

`F=(kq^2)/(r^2)\\\\=(9* 10^9* (1.6* 10^(-19))^2)/((10^(-8))^2)\\\\=2.304* 10^(-12)\ N`

So, the magnitude of force is equal to
`2.30* 10^(-12)\ N`.