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As we understand, electrons can't be unmoving therefore electrons always moving or flowing. If the voltage is zero, where do the electrons move? Do they move everywhere?

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    $\begingroup$ What do air molecules do when the wind isn't blowing? $\endgroup$
    – John Doty
    Commented Mar 24, 2023 at 12:13
  • $\begingroup$ The air molecules are still moving around everywhere, so I guess same goes to electrons? I should've asked this on the chat though. So, zero volt reading on those instruments simply mean they can't detect electron motions that are too subtle? $\endgroup$
    – SnoopyKid
    Commented Mar 24, 2023 at 12:18
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    $\begingroup$ With a sufficiently sensitive voltmeter, you can detect thermal fluctuations in voltage. en.wikipedia.org/wiki/Johnson%E2%80%93Nyquist_noise $\endgroup$
    – John Doty
    Commented Mar 24, 2023 at 12:25
  • $\begingroup$ So using a sufficiently sensitive voltmeter, these readings will be less than zero volts and will be in the negative numbers region? $\endgroup$
    – SnoopyKid
    Commented Mar 24, 2023 at 12:27
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    $\begingroup$ Thermal fluctuations are sometimes positive, sometimes negative. $\endgroup$
    – John Doty
    Commented Mar 24, 2023 at 12:29

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