CIE IGCSE Physics

Revision Notes

4.3.1 Circuit Diagrams

Standard Circuit Symbols

  • The diagram below shows the various circuit symbols that could be used in circuit diagrams. You will be expected to know what each one is

Circuit symbols, IGCSE & GCSE Physics revision notes

You are expected to be able to recognise and draw the above symbols

 

Extended Only

Diode Circuit Symbol

  • In addition to the above, you should be able to recognise and draw the circuit symbol for a diode:

 

Diode symbol, IGCSE & GCSE Physics revision notes

A diode is a component that only allows a current in one direction

(Note: diodes are occasionally drawn with a horizontal line running through the middle of them)

 

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