Charge Leaks Out? Understand Property Leakage

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Discussion Overview

The discussion revolves around the concept of "charge leaks out," exploring the meaning of this phrase and the mechanisms behind charge loss in various contexts. Participants examine theoretical implications, practical examples, and the historical understanding of charge as a property.

Discussion Character

  • Exploratory
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • Some participants question the phrase "charge leaks out," seeking clarification on how a property can leak.
  • One participant suggests that charge leakage may refer to the maximum charge a conductor can hold, leading to phenomena like corona discharge when the electric field exceeds insulation limits.
  • Another participant notes various mechanisms of charge leakage, including leaky capacitors and the effects of ionizing radiation on isolated charged conductors.
  • A participant highlights the historical analogy of charge as a fluid, acknowledging that while this is not strictly accurate, the terminology persists in discussions.
  • There is a distinction made between fundamental particles, like electrons, which cannot leak charge, and macroscopic objects from which electrons can escape, suggesting a nuanced understanding of charge leakage.
  • A humorous remark is made about the hypothetical scenario of the Earth losing gravity, indicating a playful engagement with the topic.

Areas of Agreement / Disagreement

Participants express varying interpretations of charge leakage, with no consensus on a singular definition or understanding. Multiple competing views on the mechanisms and implications of charge leakage are present.

Contextual Notes

The discussion includes references to historical concepts of charge and the limitations of current terminology. There are unresolved questions about the nature of charge as a property and its implications in different contexts.

Who May Find This Useful

This discussion may be of interest to those exploring concepts in electromagnetism, electrical engineering, or the philosophical implications of physical properties.

johncena
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What is the meaning of the statement "charge leaks out"?Or how charge leaks out?
As charge is a property, how can we say that a property leaks out?
 
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johncena said:
What is the meaning of the statement "charge leaks out"?Or how charge leaks out?
As charge is a property, how can we say that a property leaks out?

I think this might be referring to the fact that there is a maximum charge that any conductor can hold.If at any point around the conductor the electric field builds up to such a value that it breaks down the insulation of the surroundings then this can cause discharge as a result of the movement of a stream of charged particles,a mechanism known as corona discharge.Try googling for details.
 
Dadface said:
corona discharge

There are lots of mechanisms by which charge 'leaks'.
It's just an expression of the fact that some interfering mechanism is messing with your ideal situation.

You get 'leaky' capacitors - that's a typical example. Batteries leak (in more senses than one sometimes!)

Even an isolated, charged conductor will 'leak' as charge gets carried away by ionising radiation.

Note to the OP.
The concept of charge as some sort of 'fluid' is an ancient and venerable one - we know it isn't exactly true now, charge is quantised and comes in lumps. Its not like a liquid leaking, more like bits dropping off. But we still like to use the old expression out of deference to the ancients who coined it.
 
AJ Bentley said:
Note to the OP.
The concept of charge as some sort of 'fluid' is an ancient and venerable one - we know it isn't exactly true now, charge is quantised and comes in lumps. Its not like a liquid leaking, more like bits dropping off. But we still like to use the old expression out of deference to the ancients who coined it.
Liquids are composed of bits too ... so even a liquid leaking is "not like a liquid leaking" :wink:

johncena said:
What is the meaning of the statement "charge leaks out"?Or how charge leaks out?
As charge is a property, how can we say that a property leaks out?
Well, charge could never leak out of an electron or other fundamental particle. But electrons can leak out of macroscopic objects, so in that sense charge can leak out of things. Don't know if that helps clear things up.
 
Redbelly98 said:
Well, charge could never leak out of an electron or other fundamental particle. But electrons can leak out of macroscopic objects, so in that sense charge can leak out of things. Don't know if that helps clear things up.

Yeah, but what if the Earth springs a leak and all the gravity escapes?
 

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