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Gauss’s LawIntroduction
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Gauss’s law relates electric field to the charge distribution producing that field.
Gauss’s law gives us much easier way to calculate electric field then Coulomb’s law
Gauss’s law deals with the electric field and concept of electric field lines is central concept for studying Gauss’s Law
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Bases of Gauss’s Law
Flux through any closed surface is measure of
total amount of charge inside it
Any charge outside the surface would not
contribute to the total flux
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Statement of Gauss’s Law
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Total flux of electric field depends on
• Net charge enclosed in the surface
• Surface chosen
distribution
of electric charge inside the surface
Electric field through surface
Using gauss’s law you can find
Using gauss’s law you can find
You have information about
You have information about
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Surface on which we apply gauss’s law is known as Gaussian Surface
Gaussian Surface
Can be imaginary or geometrical
surface
Might be an empty space
Could be partially or fully embedded
in a solid body
Need not be a real surface
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Conclusion