What is the difference between electric field and electromotive force? Are they dependent on each other, how?

Asked by sarbsukhmani | 27th Aug, 2010, 12:00: AM

Expert Answer:

The difference is in their conceptual definitions, their physical dimentions, their units. They are dependent on each other. 
Electric field = Electric field/test charge.
More formally, emf is the external work expended per unit of charge to produce an electric potential difference across two open-circuited terminals. The electric potential difference is created by separating positive and negative charges, thereby generating an electric field.
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Answered by  | 27th Aug, 2010, 09:23: PM

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