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How does the internal resistance of an electrolytic cell (a source of emf) depend on

I) the concentration of the electrolyte?

II) the temperature of the cell?

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    $\begingroup$ A big factor is the crud that builds up on the electrodes. $\endgroup$
    – Hot Licks
    Commented Dec 29, 2017 at 4:38

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Internal resistance decreases with increase in concentration as we know that increase in concentration causes increase in ions so conductivity increases resistance decreases

As temperature increase mobility of ions increase inside electrolyte so resistance decreases

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