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It is cheaper.
When a signal is passed through a wire, some of that energy is radiated out into the air. That signal can cause interference with other receivers. By twisting the wire along the entire path, the signals get canceled and do not interfere with other receivers. As the frequency increases and the wavelength gets shorter, more of the energy is lost and can cause interference, even though the wires are twisted.
At high frequencies the central wire is completely surrounded by a metal covering. None of the signal can escape. This wire is much more expensive.
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Are twisted pair wire and coxial cable the same?
No. Coaxial cable is a single wire that has a thick coating around it. A common use of coaxial cable is for cable television. This is the cable that goes from the jack on the wall into your cable box. Twisted pair contains multiple cables which are split into pairs and twisted together. CAT5/CAT5e/CAT6 cable are all examples of twisted pair. There are a total of 8 wires inside. Every two wires are twisted together to form a pair. The purpose of the cables being twisted together is to reduce electrical interference between the wires.
What are the four types of media used to connect a network?
Unguided media,unsheilded twisted pair,sheilded twisted pair secondly guided media i.e coaxial cable,ehernet,thikwire,thin wire etc
What kind of wire is used with cable modem?
Coaxial and ethernet. The round one is coaxial, the rectangular ones are ethernet.
What cable consists of a single copper wire surrounded by at least 3 layers?
Coaxial cable
What does the twisting of the wire do in twisted-pair cable?
It provides some "shielding" to minimize coupling between signals in a cable, reducing crosstalk and other forms of interference. It is cheaper than the complete shielding provided by coaxial cable, when coaxial cable would be overkill for the problem.
What is a coaxial cable?
Coaxial cable is an electrical cable with one wire in the center surrounded by a layer of insulation which is then surrounded by an outer braided cylindrical conductor and finally covered with another insulating layer.
What type of wire is used for TV's or cable modem?
Televisions and cable modems use a coaxial cable. RG59 or RG6.
What is the error rate of coaxial cable?
The bit error rate is a standard transmission-error rate of a medium such as copper wire, coaxial cable, or fiber-optic cable. Coaxial cables have a low error rate that is generally 1 in 1 billion bps.
What cable types has a inner-core wire conductor and wire-mesh outer conductor 1 utp 2 stp 3 coaxial 4 16g-4?
Coaxial.
What consists of a single copper wire surrounded by a least of 3 layers?
Coaxial cable
What consists of a single copper wire surrounded by at least 3 layers?
Coaxial cable
Why do you use waveguide instead of coaxial?
Coaxial cable is an electrical cable consisting of a round conducting wire, surrounded by an insulating spacer, surrounded by a cylindrical conducting sheath, and usually surrounded by a final insulating layer.waveguide may refer to any linear structure that conveys electromagnetic waves between its endpoints.
