Informative video of electro motive force (EMF) | Electromagnetic Induction
What Is Electromotive Force?
Electromotive force is defined as the electric potential produced by either an electrochemical cell or by changing the magnetic field. EMF is the commonly used acronym for electromotive force.
A generator or a battery is used for the conversion of energy from one form to another. In these devices, one terminal becomes positively charged while the other becomes negatively charged. Therefore, an electromotive force is a work done on a unit electric charge.
Electromotive force is used in the electromagnetic flowmeter which is an application of Faraday’s law.
Therefore, Faraday's first law of electromagnetic induction states the following: Whenever a conductor is placed in a varying magnetic field, an electromotive force is induced.
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