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==Key Stage 4==
===Meaning===
A '''circuit diagram''' is a simple [[diagram]] used to show the arrangement of [[Electrical Component|components]] in a [[circuit]].
===About Circuit Diagrams===
: [[Circuit Diagram|Circuit diagrams]] are drawn so that anyone in the world can build the same [[circuit]].
: [[Circuit Diagram|Circuit diagrams]] use [[Circuit Symbol|symbols]] instead of drawings because [[Electrical Component|components]] might look different in different places.
===Examples===
{| class="wikitable"
|-
|[[File:DiodeIVGraphCircuit.png|center|200px]]
|[[File:LDRPotentialDivider2.png|center|200px]]
|[[File:ResistanceWireCircuit2.png|center|200px]]
|-
| style="height:20px; width:200px; text-align:center;" |This '''circuit diagram''' shows a [[circuit]] which can be used to plot the [[IV Graph]] for a [[diode]].
| style="height:20px; width:200px; text-align:center;" |This '''circuit diagram''' shows a [[circuit]] which can be used to activate a [[Electrical Bulb|lamp]] when it is dark.
| style="height:20px; width:200px; text-align:center;" |This '''circuit diagram''' shows a [[circuit]] which can be used to find the [[Electrical Resistance|resistance]] of a [[wire]].
|}