Question

what is terminal potential difference

Answer 1

The terminal p.d. of a source is the potential difference across its terminals, it is often given the symbol V.

Answer 2

Answer:

The terminal potential difference is the potential drop across terminals of a cell when a current is being drawn from the cell.

Terminal potential difference = Electromotive force - potential drop across internal difference across internal resistance.

The terminal potential difference is calculated only in closed circuits.