Question

why the positive terminal of an electric cell has a metal cap?​

Answer 1

Answer:

A zinc container is present inside the cell and this represents the negative terminal of the cell. It is covered with thick paper or a metal sheet. The significance of this container is that it prevents leakage. The metal cap is fitted with a carbon rod and this is the positive terminal of the cell.

Answer 2

A zinc container is present inside the cell and this represents the negative terminal of the cell. It is covered with thick paper or a metal sheet. The significance of this container is that it prevents leakage. The metal cap is fitted with a carbon rod and this is the positive terminal of the cell☺