- A Telegraph Morse code is a standard machine constructed for the communication between the two persons.
- Communication between the two machines done by copper wire, which produces electromagnetic waves.
- Dot and Dash are indicated by ON and OFF the connection to copper wire.
Telegraph Consists of Two Devices:
- Transmission Device
- Receiving Device.
Transmission Device:
- Transmission Device is called as key.
Battery/Power Supply:
- To get power to device we use the power supply.
Morse Key:
- It is a manual key act as a switch to open and close the circuit.
- Using this key user sends messages in the form of dot and dash.
Transmission Line:
- Acts as a medium of two stations.
- This wire is made up of copper which produces electromagnetic waves.
Receiver Device:
- Receiver Used is called the sounder.
- It produces click like sound.
- Receiver Consists:
- Electromagnet: It is made up of the soft coils with iron core on top.
- Armature: To make contact with soft coil to produce the sound.
