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5 months, 3 weeks ago

# 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
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A Avinash Dongre
Answered 5 months, 3 weeks ago

@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

$E=V-iR$

$(E

S sudhir
Answered 5 months, 3 weeks ago

@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.

A Avinash Dongre
Answered 5 months, 3 weeks ago

@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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