5 Questions
What is the formula for the net flux through a closed surface?
The net flux through a closed surface is given by $\Phi = \oint \mathbf{E} \cdot d\mathbf{A}$, where the integration is carried out over the entire surface.
What is Gauss' law and how is it related to Coulomb's law?
Gauss's law is an alternative way to express the relationship between electric charge and electric field, and it is equivalent to Coulomb's law. It states that the total electric flux ($\Phi$) through any closed surface is proportional to the total (net) electric charge ($q$) inside the surface. That is $q / \varepsilon_0 = \Phi$.
What is a Gaussian surface?
A Gaussian surface is a closed surface that encloses a definite volume, over which the integration of electric field is carried out in Gauss's law.
Who formulated Gauss's law?
Gauss's law was formulated by Carl Friedrich Gauss (1777–1855), one of the greatest mathematicians of all time.
What is the relationship between electric flux and electric charge according to Gauss's law?
According to Gauss's law, the total electric flux ($\Phi$) through a closed surface is proportional to the total (net) electric charge ($q$) inside the surface, expressed as $q / \varepsilon_0 = \Phi$.
Test your knowledge of electric flux and uniform electric fields with this quiz. Understand the effects of increasing field strength and surface area on the electric flux through a surface.
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