We use circuit symbols to draw diagrams of electrical circuits, with straight lines to show the wires.
The diagram shows some common circuit symbols.
external image circuit_symbols.gif

The idea of a circuit diagram is to use circuit symbols instead of drawing each component in the circuit.



ACTIVITY Complete the table.

circuit_symbols.jpg

ACTIVITY Name the components you can see in the following circuit diagrams:


external image circuit_diagram.gif


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external image three_circuits.gif