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explain why the EMF of a dry cell drops if a large current is drawn for a short time and then recovers if allowed to rest​
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42 votes
42 votes
explain why the EMF of a dry cell drops if a large current is drawn for a short time and then recovers if allowed to rest​

User Gruszczy
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16 votes
16 votes

Answer:

Manganese (iv )oxide is a slow depolarizer and polarization occurs with a large current, on resting, the depolarization returns the p.d of the dry cell.

User Sida Zhou
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