Question
When potential difference is applied across an electrolyte, then Ohm's law is obeyed at:

Answer

  1. High potential.
Explanation:
When voltage is applied to an  electrolyte, dissociation of ions starts.
At low voltages as the voltage increases the number of ions conducting also increases making a non linear increase of current.
After a certain voltage when  the ions are dissociated and no more dissociation, the electrolyte behaves as a conductor and obeys ohm's law.
Thus at high voltages, an electrolyte obeys ohm's law.

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