Why Does Soap Bubble Expand When Charged? | Properties of Matter

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Homework Help Overview

The discussion revolves around the phenomenon of soap bubbles expanding when charged, situated within the context of properties of matter. Participants are exploring the underlying physical principles that govern this behavior.

Discussion Character

  • Exploratory, Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants are considering the role of repulsive forces between charges as a potential explanation for the expansion of the soap bubble. There is also a hint regarding the concept of minimal energy surfaces and how charge might influence the bubble's size.

Discussion Status

The conversation is ongoing, with various interpretations being explored. Some participants have offered insights into the forces at play and the implications of energy minimization, but there is no explicit consensus on the explanation yet.

Contextual Notes

There is a mention of the soap bubble's size being influenced by the presence of charge, raising questions about the assumptions regarding energy states and charge interactions.

Amith2006
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Why does a soap bubble expand when it is charged?
 
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What are your thoughts?
 
I think it is due to thye repulsive forces acting between the charges.
 
Amith2006 said:
I think it is due to thye repulsive forces acting between the charges.

A hint: the soap bubble takes the shape and size of a surface of minimal energy for the system. Without the charge the soap bubble is a certain size. Why then, would adding charge change it?

-Dan
 

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