Circuit Symbol Flashcards
Switch closed
2 circles and a diagonal line connecting them
Switch open
Two circles and a diagonal line touching the left one but going over the right one
Cell
One longer (on the left) and one shorter line (on the right) parallel to each other, the longer is the positive
Battery
Two cells
Bulb
An X inside a circle
Diode
An arrow with a line on the tip inside a circle
Resistor
Rectangle
Thermistor
Rectangle with horintal than diagonal line going through it
Variable resistor
Rectangle with an arrow though it
LDR (light dependant resistor)
Rectangle with a circle around it and two diagonal arrows pointing at it diagonally from the top left
LED (Light emitting diode)
A diode with a circle around it and two arrows pointing away from it on the top right
Fuse
A rectangle with a horizontal line in the middle
