Question

Why is potential difference more in open circuit and less in closed circuit?

Answer 1

Answer:

There is a fall of potential across the internal resistance of the cell. So, the p.d. across the terminals in a closed circuit is less than the p.d. across the terminals in an open circuit by an amount equal to the potential drop across the internal resistance of the cell.

Answer 2

Answer:

Open circuit have more potential energy because it don't pass the current and it's not a complete circuit.

Closed circuit have less because it pass current and it's complete cir

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