What is the radius of the imaginary concentric sphere that divides the electrostatic field of a metal sphere of a radius 20 cm and change of `8muC` in two regions of identical energy?

How many metal sphere of radius 5 mm can be made by melting a metal sphere of radius 10 cm ?

A metal sphere of radius R is charged to a pontital V . (a ) Find the electrostatic energy stored in the electric field within a concentric sphere of radius 2 R . (b )Show that the electrostatic field energy stored outside the sphere of radius 2R equals that stored within it .

A metal sphere of radius R is charged to a pontital V . (a ) Find the electrostatic energy stored in the electric field within a concentric sphere of radius 2 R . (b )Show that the electrostatic field energy stored outside the sphere of radius 2R equals that stored within it .

A metal sphere of radius R is charged to a pontital V . (a ) Find the electtrostatic energy stored in the electric field within a concentric sphere of radius 2 R . (b )Show that the electrostatic field energy stored outside the sphere of radius 2R equals that stored within it .

A conducting sphere of radius R=20 cm is given a charge Q=16muC . What it vecE at centre

How many metallic balls of radius 1 cm can be recast by melting a metallic sphere of radius 8 cm?

How many metallic balls of radius 1 cm can be recast by melting a metallic sphere of radius 8 cm?

A metallic sphere of radius '4 cm' is melted and recast. How many small spheres of radius '1 cm' will get from it?