Why does the anode carry a negative charge in a galvanic cell but a positive charge in an electrolytic cell? Justify with comments.

In a galvanic cell, the anode is the site of oxidation, where electrons are released. Since electrons are negative, the anode becomes negative as electrons are given off. In an electrolytic cell, the anode is the site where oxidation also occurs, but because the cell is powered externally, the anode is made positive to attract the anions from the electrolyte, driving the reaction.

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