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Results tagged with electric-fields
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user 95575
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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Potential vs Potential Difference for a line charge
How would I calculate potential for an infinite line of charge a distance 'r' away from it?
What does the reference point for potential difference mean?
I know delta v = Q/(2pi*epsilon0*L)*ln(r2/r1) …
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Electric Potential for Concentric Spherical Shells
If you have a charged point ($q_1=+1$) inside an initially neutral spherical shell ($q_2=0$), how would you find the following:
(A) Potential at the outer surface of the spherical shell? Would it be …
- 89
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Electric potential for concentric spheres and charged surface [closed]
A few conceptual questions about a charged sphere inside an initially neutral spherical shell and about uniform E for a charged plane.
How would I go about calculating potential at a certain point in …
- 89
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1
answer
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Work done by Electric Field vs work done by outside force
I'm confused as to the signage of the equation:
W=qv, W=-U, W=-qv?
When is work positive? When is it negative? Why is this different for the work done by the electric field vs the work done by an outs …
- 89
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2
answers
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Electric field for concentric spheres
I have a couple clarifying questions:
(A) in $E=kq/r^2$ for the area between a sphere inside another spherical shell, the sphere inside is considered a point charge. However, the sphere inside has a …
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