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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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