Does conductivity of one metal impose limitations on another

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Discussion Overview

The discussion revolves around the relationship between the conductivity of different metals in an electrical circuit, specifically whether the conductivity of a low conductivity metal imposes limitations on the performance of a high conductivity metal when current flows between them. The scope includes conceptual clarification and technical reasoning regarding electrical properties and circuit behavior.

Discussion Character

  • Conceptual clarification, Technical explanation, Debate/contested

Main Points Raised

  • Some participants propose that the conductivity of a low conductivity metal may limit the performance of a high conductivity metal in a circuit.
  • Others argue that the phrasing of the question is incorrect, emphasizing that voltage does not travel and that current is dependent on the overall circuit configuration.
  • A participant reiterates the question regarding current flow and its implications on the limitations imposed by the low conductivity metal.
  • Another participant highlights the need for clarity in terminology, specifically questioning the understanding of what constitutes a resistor in the context of the discussion.

Areas of Agreement / Disagreement

Participants express disagreement regarding the phrasing of the initial question and the concepts of voltage and current flow. There is no consensus on whether the conductivity of one metal imposes limitations on another, as the discussion remains unresolved.

Contextual Notes

Participants note the importance of understanding circuit behavior and the role of resistors, indicating potential misunderstandings in the initial framing of the question.

Swim
Hi,
If some voltage is traveling from a low conductivity metal to a high conductivity metal, does it impose limitations on the high conductivity metal such that it will only do as much as the low conductivity metal?
 
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You phrasing is not correct, as voltage does not travel.

Let me answer your question with a question: What is a resistor?
 
If some current is traveling from a low conductivity metal to a high conductivity metal, does it impose limitations on the high conductivity metal such that it will only do as much as the low conductivity metal?
 
Swim said:
If some current is traveling from a low conductivity metal to a high conductivity metal, does it impose limitations on the high conductivity metal such that it will only do as much as the low conductivity metal?
I'll comment again on your wording. This is not to be pedantic, but I think that it is at the source of your confusion. Current is not something that starts flowing at one end of a circuit and moves along, like water would in an initially empty pipe. The current will depend on the overall circuit.

Again, please start by answering: What is a resistor?
 

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