Question

a dry cell usually has a small cap at one end and a flat surface at one end.which of this is at higher potential

Answer 1

the side with a cap has more potential because it is the positive terminal of the cell and the current always flows from negative to positive terminal

Answer 2

Answer:

The side with a cap is of higher potential. This is because, it is the positive terminal, and the positive terminal has a higher potential, as current flows from positive to negative.