Questions tagged [gauss-law]
A law in classical electromagnetism and Newtonian gravity which relates (charge) density to the divergence of a field, or alternatively the charge in a volume to the flux through the bounding surface.
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The charge surface distribution of a conductor with a non-centered charge
A point like charge Q is placed inside the cavity of a spherical conductor of an internal radius R1 and external radius R2 initially neutral(uncharged) (see the figure), the question is how is the ...
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Flux in spherical cavity
In a lecture, I heard that even if a charge ( suppose a positive ) is kept inside a cavity of a hollow sphere, the net charge inside would be zero through induction. Then , by Gauss' law , the ...
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Normal Vector in Electric Flux and Gauss's Law
I have questions regarding the normal vector that we use in calculating electric flux and Gauss's law.
In the first and second figures, why is the normal vector is in that direction? and why not to ...
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Gauss' Law- Hollow Sphere with Non-Uniform Charge Distribution
I am confused about the solving for the E field inside of a hollow sphere with a non uniform charge distribution. I understand conceptually that the unbalanced charge distribution would lead to an E-...
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Conservation of Energy / Poynting vector
On this page, it states:
"The only fields' couples (a,b) for which we can get a non-zero value
of the Poynting vector for a large distance r₀ over the sphere are (R,
R); (radiation, radiation) ...
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How one concludes that Gauss law is valid here or not and line integral of $E$ is zero without using curl? [closed]
I encountered this problem while considering option (b) below. I took the curl and found to be zero, but is there some more elegant way to show that (b) is correct? Also, for option (c), I can make ...
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What is the use of line integral in physics? [closed]
Where and how is it used? Why is it used in Gauss's law?
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Insulated sphere surrounded by a charged conducting thick shell [closed]
An insulated uniformly charged sphere of radius $R$, has been smeared with charge $q$ uniformly throughout its volume. Now this sphere is surrounded with a charged conducting spherical shell of inner ...
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Electric field due to nonconducting plastic sheets [closed]
Two very large, nonconducting plastic sheets, each 10.0 cm thick, carry uniform charge densities $\sigma_1, \sigma_2, \sigma_3$ and $\sigma_4$ on their surfaces (the four surfaces are in the following ...
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