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- what is releation between emf and p.d ,from chapter current electricity
sir,what is releation between emf and p.d ,from chapter current electricity, plz explain me those releation
Answers (3)
@Nilesh
ε is, actually, a potential difference between two electrodes when current is not flowing.
P.D-potential difference is voltage across external resistance of load when current is flowing.
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@Nilesh EMF, electromotive force, refers to the voltage developed by an electrical source. Potential difference refers to the observed difference in voltage between any two points in an open circuit.
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@Nilesh
The potential difference accross the terminals of a cell when it is not supplying any current is called e.m.f while
The voltage accross the terminals of a cell when it is supplying current to external resistance is known as Potential Difference .
When the cell is being charged
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