AC Supply

Aerial

Ammeter

Amplifier

AND gate

Battery

Bell

Buzzer

Capacitor

Cell

Coil

DC Supply

Diode 

double pole double throw switch

double pole single throw switch

earphone

earth [ground]

EXOR Gate

fuse

galvanometer

lamp

Light Emitting Diode [LED]

microphone

motor

NAND Gate

NOR Gate

NOT Gate

Ohm meter

OR Gate

Oscilloscope

Photodiode

Photo resistor

Push to break switch

OO

Push to make switch

Relay switch

Resistor

Solar Cell

Single Pole Double Throw Switch

Thermistor
T

Transformer

Transistor N-P-N

Transistor P-N-P

Variable Capacitor

Voltmeter

Variable Resistor

Wire

Wires Joined

Wires NOT Joined

Zigzag [Resistor]