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The emf, formerly known as electromotive force, is actually... a potential difference. a field. a force. an energy.

Sagot :

Answer:

The correct option is (a) "potential difference".

Explanation:

EMF is an Electromotive force. It is the energy per unit electric charge that is imparted by an energy source, such as an electric generator or a battery. One of the terminals of device is positive and other is negative. It is also defined as  terminal potential difference when no current flows.

It is actually a potential difference across the terminals.

Answer:

potential difference

Explanation: