A spherical shell of radius R has a uniformly distributed charge ,then electric field varies as

A charge Q is uniformly distributed in a dielectric sphere of radius R (having dielectric constant unity). This dielectric sphere is enclosed by a concentric spherical shell of radius 2R and having uniformly distributed charge 2Q. Which of the following graph correctly represents variation of electric field with distance r from the common centre?

A spherical shell of radius R has a charge +Q units. The electric field due to the shell at a point

A spherical shell of radius R has a charge +q units. The electric field due to the shell at a point

A thin conducting spherical shell of radius R has a charge Q which is uniformly distributed on its surface . The correct plot for electroistatic potential due to this spherical shell is ………… .

A spherical shell of radius R is uniformly charged to a surface charge density sigma . Br State the theorem which can be used to find the electric field outside the shell.