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Question
Give the definition of electromotive force of an electric cell in open circuit.
WBBSE
Class X
Physical Science
Current Electricity
02 Mark
2022
Answer
The electromotive force (emf) of an electric cell in an open circuit is the maximum potential difference between the two terminals of the cell when no current is flowing through the circuit. It represents the total energy provided by the cell per unit charge to move it through the circuit.
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