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EMF - It is the pressure that moves the electrons to flow in any conductor. It is also known as electromotive force voltage. Its symbol is ‘E’ or ‘V’ and measuring unit is volt
measured by voltmeter.
P.D - The difference of potential between two points in a circuit is the voltage required to drive the current between them or the voltage drop between those two points is
called the potential difference.
P.D = R * I volts.
la force electromotrice (f,e,m) est un des parametres caracteristique d'un generateur electrique elle est,contrairement a ce qu'indique son nom, homogene a une tension et s'exprime en volts. dans un circuit electrique, pour mettre en mouvement des charges . il est necessaire de fournire du travail, et la force.
Electromotive force, also called emf (denoted E and measured in volts), is the voltage developed by any source of electrical energy such as a battery or dynamo
