Question

write a note on Coaxial Cables and optical fibre cables. ​

Answer 1

Answer:

coaxial cable :

• it's an electrical cable with a conductor as its center.
• the inner conductor is surrounded by a tubular insulating layer.
• the insulating layer is surrounded by a conductive layer called the shield, which is finally covered with thin insulating layer outside.

OPtical fibre cable:

• it consists of a central glass core surrounded by several layers of protective material.
• it transmits data in the form of light instead of electronic signals.
• it can transmit data at a very high speed and over much longer distances.

hope this helps!

Answer 2

Coaxial cable is commonly used by cable operators, telephone companies, and internet providers around the world to convey data, video, and voice communications to customers. It has also been used extensively within homes.

It has been around for a long time as a technology (since the early 20th century) and has many singular advantages for reliable, accurate transmission.