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Results tagged with electric-fields
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user 130447
For questions that utilize the concept of electric fields (commonly denoted by the letter E), or for questions whose answers likely involve electric fields. More specific than the [electricity] tag, as questions about the phenomenon & theory of electricity do not necessarily involve the discussion of fields.
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Can a sufficiently strong electric field make electrons escape from a metal?
Lets say we have a piece of metal in some region of the space from which it can't move (I realize that maybe this is not plusible) and then a very strong electric field appears, electrons inside the c …
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Is it possible to have an (electrostatic) equipotential surface being crossed twice by an el...
Lets say I have an elctric field produced by two point charges (not necessarely a dipole), intuitevely it seems to me that it is not possible to have an equipotential closed surface being crossed twic …
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Electric potential for a continuous charge distribution
I think your last equality should be interpreted more as an aproximation than as an equality if you're dealing with a macroscopic object but its quite accurate if the distance from the object where yo …
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When we apply Gauss's law should we consider also the charge over the gaussian surface?
Lets say I have a coaxial cable, the internal material cylinder has radius $a$ and uniform volumetric charge density $\rho$, the external shield cylinder has radius $b$ and uniform superficial charge …
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