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- In finding the electric field using Gauss law the formula
In finding the electric field using Gauss law the formula is applicable. In the formula
is permittivity of free space, A is the area of Gaussian surface and
is charge enclosed by the Gaussian surface. This equation can be used in which of the following situation?
Option: 1 For any choice of Gaussian surface.
Option: 2 Only when the Gaussian is an equipotential surface.
Option: 3 Only when Gaussian surface is an equipotential surface and is constant on the surface.
Option: 4 Only when = constant on the surface.
Answers (1)
As Gauss's law is one of the fundamental laws of physics which states that the net flux of an electric field in a closed surface is directly proportional to the enclosed electric charge.
And
The relation of gauss's law is valid when
The magnitude of the electric field is constant & the surface is equipotential
So the correct option is 3.
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