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Electric circuits – WJECElectrical component symbols

Engineers connect components in electrical circuits in series or parallel to make a range of useful circuits. We can calculate the voltage, current and resistance in these circuits.

Part of Physics (Single Science)Electricity, energy and waves

Electrical component symbols

Electrical circuits can be represented by circuit diagrams. The various are shown by using standard symbols in circuit diagrams. You need to be able to draw and interpret circuit diagrams.

Standard symbols

These are the standard circuit symbols you need to know.

Diagram showing 15 standard circuit symbols.