GCSE Physics (Eduqas)
Topic Summaries
Circuits
Circuit diagrams
Circuit diagrams use symbols and lines to show the components in a circuit and how they are connected.
| Symbol | Component | Symbol | Component |
 |
Switch (open) |  |
Switch (closed) |
 |
Cell |  |
Battery |
 |
Ammeter |  |
Voltmeter |
 |
Resistor |  |
Fuse |
 |
Variable resistor |  |
Thermistor |
 |
Lamp |  |
Light-dependent resistor (LDR) |
 |
Diode |  |
Light-emitting diode (LED) |
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