1) A battery is a source of electrical energy.
2) Battery cells are manufactured in two common forms.
3) The voltaic cell is composed of three parts.
4) Cells connected together form a battery.
5) The positive electrode is zink plate.
6) The negative electrode is copper plate.
7) Series connection means the terminal of one cell is connected to another.
8) Materials which do not conduct electricity are called insulators.
