what is the difference/similarity between emf and volts.

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Here is a citation from Halliday and Resnick: electromotive force is the device which does work on the charge carriers maintains a potential difference between terminals. Voltage is the unit of measure for this seat. Mostly we think of EMF as a source or a means for driving current.

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There is a good discussion here:

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force - Wikipedia, the free encyclopedia


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EMF (electromotive force) is measured in volts.

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Don Kelly

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