Circuit Diagrams
| Cell | 
|
| Battery of cells |
Or
|
| Power supply | 
|
| a.c. power supply | 
|
| Junction of conductors | 
|
| Lamp | 
|
| Fixed resistor | 
|
| Thermistor | 
|
| Variable Resistor | 
|
| Light dependent resistor | 
|
| Heater | 
|
| Switch | 
|
| Earth or Ground | 
|
| Electric Bell | 
|
| Buzzer | 
|
| Microphone | 
|
| Loudspeaker | 
|
| Motor | 
|
| Generator | 
|
| Ammeter | 
|
| Voltmeter | 
|
| Galvanometer | 
|
| Potential Divider | 
|
| Relay Coil | 
|
| Transformer | 
|
| Diode | 
|
| Light- emitting diode | 
|
| Fuse | 
|
| Oscilloscope | 
|
| AND gate | 
|
| OR gate | 
|
| NAND gate | 
|
| NOR gate | 
|
| NOT gate | 
|