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Physics

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  • $\begingroup$ Subscript $e$ is the same as $\text{ext}$? $\endgroup$
    – BioPhysicist
    Commented May 1 at 23:39
  • $\begingroup$ @BioPhysicist No, subscript e is for the electrons in the medium between the electrodes. This is not the same as subscript ext as some of the electrons from the external source gets caputred by the particles in the medium $\endgroup$
    – Ornate
    Commented May 1 at 23:42