state two differences between the EMF and terminal voltage of a cell
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emf is the electro motive force and voltage is the potential difference among the two terminals emfs si unit cannot be derrived and voltage si unit is volt V
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Terminal voltage is the potential difference across the terminals of a load when the circuit is switched on. E.m.f. is the maximum potential difference that can be delivered by a cell or a generator when no current flows through it. Terminal voltage is measured by voltmeter. E.m.f. is measured by potentiometer.
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