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Electromotive force also called emf(measured in volt) is the voltage developed by any source of electrical energy such as a battery or dynamo. It is generally defined as the electrical potential for a source in a circuit.A device that supplies electrical energy is called a seat of electromotive force or emf. Emfs convert chemical mechanical and other forms of energy into electrical energy.The product of such a device is also known as emf.
8 years ago
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Lakhi Kanta Das