Home
Class 12
PHYSICS
Two ball bearings , one having a radius ...

Two ball bearings , one having a radius of 2 mm and a surface charge density equal to `5 mu C/m^2` and another having a radius of 1 mm and a surface density of charge equal to `-2 mu C/m^2` are situated inside a closed surface . The T.N.E.I. over the closed surface is

A

`1.262 xx 10^-10 C`

B

`1.262 xx 10^-8 C`

C

`2.262 xx 10^-8 C`

D

`2.262 xx 10^-10 C`

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

Three charges +5C, +7C, -4C are situated within a body and charges -5C, -7C, +4C are situated outside the body. The T.N.E.I. over the closed surface is

The electric charges of +9 C,-10C and -8 C are enclosed anywhere by a closed surface.T.N.E.I. through that surface is

Two charged sphere of radii R_1 and R_2 have equal surface charge density. The ratio of their potential is

The electric field intensity at a point at a distance of 1metre from the centre of a charged sphere of radius 25 cm is 10^4 N/C . Find the surface density of charge on the surface of the sphere. The sphere is situated in air .

The excess pressure in dyne/ cm^2 inside a liquid drop of radius 2 mm and surface tension T dyne/ cm is

When a 10 muC charge is enclosed by a closed surface, the flux passing through the surface is phi . Now another 10 mu charge is placed inside the closed surface, then the flux passing through the surface is ______.

A sphere of radius1 0 cm carries a charge of 1 mu C . Calculate the electric field at the surface of the sphere

Two metal spheres, one of radius R and the other of radius 2 R respectively have the same surface charge density sigma . They are brought in contact and separated. What will be the new surface charge densities on them?

A conductor having a charge density of 120 mu C/m^2 is surrounded by a medium of dielectric constant 4 . The electric intensity at a point very near the charged conductor is