Question

explain guass theorm with its application

Answer 1

Gauss's law states that "The total of the electric flux out of a closed surface is equal to the charge enclosed divided by the permittivity". The electric flux through an area is defined as the electric field multiplied by the area of the surface projected in a plane perpendicular to the field.
Gauss's Law is a general law applying to any closed surface. It is an important tool since it permits the assessment of the amount of enclosed charge by mapping the field on a surface outside the charge distribution.
For geometries of sufficient symmetry, it simplifies the calculation of the electric field. Gauss' Law in its Integral Form states that "The area integral of the electric field over any closed surface is equal to the net charge enclosed in the surface divided by the permittivity of space".
Gauss' law is a form of one of Maxwell's equations, the four fundamental equations for electricity and magnetism.