Question

Write five line on telephone

Answer 1

Answer:

A telephone line or telephone circuit (or just line or circuit industrywide) is a single-user circuit on a telephone communication system. ... Telephone overhead lines are connected to the public switched telephone network.coaxial cable

One of the most common telephone cables is called the coaxial cable. It is called coaxial because it has one physical channel, which is an insulated layer that is a woven shield of copper. This inner layer carries the signal and is surrounded by another physical channel that is created out of a plastic sheath.

Answer 2

Answer:

1. Telephone is the device that used to help to take one person to another.
2. Telephone was invented by Alexander Graham bell.
3. it was invented in 1876
4. It help to communicate with other people
5. Alexander graham bell made the first call on 10 march 1876