Home
Class 12
PHYSICS
The electrostatic force between two poin...

The electrostatic force between two point charges kept at a distance d apart , in a medium `varepsilon_r =6` is 0.3 N . The force between them at the same separation in vacuum is

A

20N

B

0.5 N

C

1.8 N

D

2N

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

The electrostatic force between two point charges is directly proportional to the

The ratio of the force between two charges in air and that in a medium of dielectric constant K is

The force between two charges at a perticular distance in air is 36 N. if the distance between the charges is filled by a medium of dielectric constant 6, then the force is ______

The repulsive force between two like charges of 1 coulomb each separated by a distance of 1 m in vacuum is equal to

A point charge of 2 C experiences a constant force of 1000 N when moved between two points separated by a distance of 2 cm in a uniform electric field. The potential difference between the two points is

The electrostatic force on a small sphere of charge 0.4muC due to another small sphere of charge 0.8muC in air is 0.2 N. a. What is the distance between the two spheres? b. What is the force on the second sphere due to the first?

The average separation between the proton and the electron in a hydrogen atom in ground state is 5.3xx10^-11m . a. Calculate the Coulomb force between them at this separation.

The force of repulsion between two electrons at a certain distance is F. The force between two protons separated by the same distance is (m_p= 1836 m_e)