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What is the difference between voltage and emf ?
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Answer Posted / unath
Emf is the energy supplied to charge by some active device like battery. for eg. emf of a device is 2 volt means the device supplies 2 joules energy to one coulomb. On the other hand, potential difference between two points A & B is 2 volts means, 1 coulomb of charge will give up an energy of 2 joule when moving from A to B.
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