What is the magnitude of coulomb force between two charges placed in a medium of electrical permittivity - at a distance r apart-A- F-1-4 -0q1 q2-r2B- F-1-4 -0q1 q2-rC- F-1-4 -0q1 q2-r3D- F-1-4 -0q1 q2-r4

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Physics

Dielectrics - A Microscopic View

What is the m...

Question

What is the magnitude of coulomb force between two charges placed in a medium of electrical permittivity ε at a distance r apart?

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B

Suggest Corrections

Similar questions

Q. The dimensional formula for permittivity of free space

(ϵ_{0})

in the equation

F = \frac{1}{4 π ϵ_{0}} \frac{q_{1} q_{2}}{r^{2}}

where, symbols have their usual meaning is

Two point objects with different masses are kept at a distance $R$ apart from each other. If the gravitational force between them is $F$ , then:

Force of attraction between two point electric charges placed at a distance"d" in a medium is "F". What distance apart should these be kept in the same medium, so that force between them become F/3?

Q. The electric force between two point charges separated by a certain distance in air is

F

the distance at which they should be placed in a medium of relative permittivity

k

so that the force remain the same is:

Q. Consider two uniform spheres

S_{1}

and

S_{2}

of equal masses and radii

r

and

\frac{r}{2}

respectively. Gravitational force due to

S_{1}

and

S_{2}

on a mass at a distance

R

from their centres is

G_{1}

and

G_{2}

respectively.

Which of the following is/are correct.

Join BYJU'S Learning Program