Earthed plates confusion

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Homework Help Overview

The discussion revolves around the behavior of electric fields and potentials in a system of four conducting plates, where the third plate is grounded. Participants are exploring the implications of grounding on charge distribution and electric fields, particularly focusing on the potential differences and work done when moving test charges within the system.

Discussion Character

  • Exploratory, Assumption checking, Conceptual clarification

Approaches and Questions Raised

  • Participants are examining the implications of grounding on the electric field and potential around the plates, questioning the assumptions about charge distribution and the resulting electric fields. Some are analyzing the effects of grounding on the potential at different points in the system.

Discussion Status

The discussion is active, with participants raising questions about the assumptions made regarding charge on the outer surfaces and the behavior of the electric field. There is recognition of potential misunderstandings regarding the grounding process and its effects on the system's charge distribution.

Contextual Notes

Some participants note that the problem statement may be misleading, particularly regarding the timing of when the third plate is grounded and the initial charge distribution on the plates. There is also mention of the need for clarity on the assumptions about the net charge of the system before and after grounding.

  • #31
Steve4Physics said:
indigating
Now I'm confused… you previously mentioned "indagate", an archaic but valid word meaning to investigate, from the Latin "indagare". "Indigate", as used in your post #27 seems like a misspelling of "indicate". Though it could be useful to describe e.g. wagging one's finger at a queue jumper, expressing digital indication of indignation all in one go.
 
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  • #32
haruspex said:
Now I'm confused… you previously mentioned "indagate", an archaic but valid word meaning to investigate, from the Latin "indagare". "Indigate", as used in your post #27 seems like a misspelling of "indicate".

I'll explain! In Post #24 you wrote:
haruspex said:

I looked at the link. The first (remarkable) sentence of the abstract is this:

"The foremost grail of this academic indagation is to delineate a mathematical expression of the normalised charge density over a flat disk."

Had to look-up 'indagation' and found it meant search or enquiry.

I then felt an ironic compulsion to use it in subsequent posts. Sorry about that!
 

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