when there is no current flowing though the cell the potential defference across the terminal of cell
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Answer:
To be precise, the electromotive force (emf) is the potential difference of a source when no current is flowing. Units of emf are volts. ... The voltage across the terminals of a battery, for example, is less than the emf when the battery supplies current, and it declines further as the battery is depleted or loaded down.
Explanation:
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Answer:
Explanation:
The potential difference across the terminals of a cell in an open circuit is termed
To be precise, the electromotive force (emf) is the potential difference of a source when no current is flowing. Units of emf are volts. ... The voltage across the terminals of a battery, for example, is less than the emf when the battery supplies current, and it declines further as the battery is depleted or loaded down.