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प्रश्न
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उत्तर
When no current is drawn from the cell i.e. when the cell is in open circuit, the potential difference between the terminals of the cell is called its electromotive force (or e.m.f).
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संबंधित प्रश्न
If the current through a floodlamp is 5 A, what charge passed in 10 seconds?
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