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Distinguish Between Emf and Terminal Voltage of a Cell. - Physics

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Distinguish between emf and terminal voltage of a cell.

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Solution

Emf Terminal voltage
It is the maximum potential difference that can be delivered by a cell when no current flows through the circuit.  It is the potential difference across the terminals of the load when the circuit is switched on and a current flows through it.
It is represented by E and remains constant for a cell. It is represented by V and depends on the internal resistance of the cell.
Concept: Cells, Emf, Internal Resistance
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