What is a battery? How is it made? Where is it used? [3 MARKS]
Definition: 1 Mark
Formation and uses: 2 Marks
A combination of two or more cells connected together is called a battery. It supplies electric current.
It is formed by connecting the positive terminal of one cell to the negative terminal of another. Positive and negative terminals are denoted as + and - respectively.
These batteries are used in many devices, such as torch lights, mobile phones, calculators and even automobiles.