Electronic symbols

All electrical components have a symbol. These symbols are often in circuit diagrams to make the diagram easier to read. All commonly used symbols are in the table below.

batterybattery
GroundGround
ResistorResistor
CapacitorCapacitor
DiodeDiode
LEDLED
Light bulbLight bulb
npn transistornpn transistor
pnp transistorpnp transistor
Switch closedSwitch closed
Switch openSwitch open
And gateAnd gate
Or gateOr gate
Not gateNot gate
Nand gate (Not and)Nand gate (Not and)
Nor gate (Not or)Nor gate (Not or)
Xor gate (Exclusive or, eor)Xor gate (Exclusive or, eor)
Xnor gate (Exclusive not or, enor)Xnor gate (Exclusive not or, enor)
PhotoresistorPhotoresistor
Voltage dividerVoltage divider
NTC resistorNTC resistor
Voltage meterVoltage meter
Current meterCurrent meter
Resistance meterResistance meter
Galvano meterGalvano meter
PhotocellPhotocell
AC dynamoAC dynamo
AC motorAC motor
DC dynamoDC dynamo
DC motorDC motor
AntennaAntenna
FuseFuse
MicrophoneMicrophone
OscilloscopeOscilloscope
SpeakerSpeaker
TransformerTransformer