When drawing circuit diagrams, rather than drawing detailed components, we use simple symbols to represent the different components.

In some CAD packages, symbols and files are closely related; thus, we look at both in this chapter. For example, a symbol external to AutoCAD is simply a drawing file. In this chapter, you learn how ...

Practise drawing the following series circuits using symbols: A simple circuit with a bulb and battery. A series circuit where the bulb doesn't light up. A circuit with three batteries ...