what is emf? is it current or voltage or what?
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Electromotive force, abbreviated emf, is the electrical intensity or "pressure" developed by a source of electrical energy such as a battery or generator
Electromotive force, abbreviated emf, is the electrical intensity or "pressure" developed by a source of electrical energy such as a battery or generator
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Both voltage and EMF (electromotive force) describe the electrical potential difference, but are different terms. The term 'voltage' has a common use, and it is same as the electrical potential difference. ... Voltage is measured in the unit Volts (V). Voltmeter is the equipment used to measure voltage.
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