Question:

Dipped in the solution, the electrode exchanges charges with the electrolyte. The positive electrode develops a potential \( V_+ \) (\( V_+>0 \)), and the negative electrode develops a potential \(-V_-\) (\( V_- \geq 0 \)), relative to the electrolyte adjacent to it. When no current is drawn from the cell, then:

Updated On: Jan 13, 2026
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Solution and Explanation

The electromotive force (emf) of the cell is given by the sum of the potential differences between the positive and negative electrodes relative to the electrolyte. Since both V+ and V− are positive, their sum is also positive, making option (A) correct.
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