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Jun 28, 2021 at 1:46 history edited SystemTheory CC BY-SA 4.0
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Jun 27, 2021 at 23:13 comment added SystemTheory Oxidation-reduction reactions or redox reactions transfer electrons from one chemical element to another. The external current in a copper wire is due to electrons (free charge carriers) in the conduction band of copper. The internal current in the capacitor is called a displacement current. Think of the chemicals in the battery as a bucket brigade for electrons, negatively charged ions, and/or positively charged ions. The chemicals force negative charge carriers toward the negative electrode. The electrons or ions do not interfere with reactions they are part of the chemical reactions.
Jun 27, 2021 at 17:04 comment added Asetofchara I've watched and screenshoted this tutorial before I've got the question posted. As is mentioned in the related question referenced above, current external to the battery (as in a capacitor charging circuit) flows through battery's electrolyte which is actively used by the redox reactions to produce battery's voltage. How can an external current flow through the same electrolyte and not interfere with the redox reactions?
Jun 27, 2021 at 15:45 history edited SystemTheory CC BY-SA 4.0
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Jun 27, 2021 at 15:39 history answered SystemTheory CC BY-SA 4.0