Circuit Symbols

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Cards (38)

  • this is the circuit symbol of a cell. A single unit that generates electrical energy through chemical reactions. It has two terminals: positive and negative.
    • Once the chemical reactions that generate electricity inside the cell are depleted, it can no longer provide power
    • a single cell typically has a shorter lifespan or capacity compared to a battery, which is a collection of cells.
    the longer line is typically the positive terminal, while the shorter one is the negative terminal
  • these are the circuit symbol for a battery
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    A collection of more than 1 cell connected together. It provides higher voltage or capacity compared to a single cell.
  • Filament Lamp
  • LED(Light Emitting Diode)
  • LDR (Light Dependent Resistor)
  • Open Switch
  • Closed Switch
  • Variable resistor
  • Ammeter
  • voltmeter
  • Fuse / circuit breaker
  • fixed resistor
  • Thermistor
  • transformer: for reducing or increasing the voltage of an alternating current.
  • electric bell
  • microphone
  • loudspeaker
  • earth/ground
  • generator
  • Relay
  • motor
  • power supply : dc
  • power supply: ac
  • Diode: a semiconductor device with two terminals, typically allowing the flow of current in one direction only.

    (NOTE: for diode, it doesnt matter if you put the circle or nah outside the triangle)
  • Light emitting diode (LED)
    • A diode that emits light when current flows through it.
    (NOTE: for diode, it doesnt matter if you put the circle or nah outside the triangle)
  • the 2 ways filament lamp can be represented as