How do you design or explain a circuit using only pen and paper? Find out the universal symbols that stand for different parts of the circuit.
- There are universal symbols for the different parts of a circuit.
- A circuit is made up of wires and components.
- Components include batteries, lamps, fuses and variable resistors.
- A good circuit will include a switch.
How to draw a circuit
You will need:
There are universal symbols for these
Always draw these as straight lines
Battery or power source
It's helpful to be able to break the circuit, so add a switch
It's good to switch off
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