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Asked in Math and Arithmetic
What normal household objects are 2 2.5 and 3 millimeters in diameter?
The cores of electric wires and cables. The cores of electric wires and cables. The cores of electric wires and cables. The cores of electric wires and cables. ...
What is the primary function of the twist in the twisted pair cable?
Shielding against crosscoupled signals from other wires in a cable. By keeping the two wires as close to each other as possible it ensures both wires pick up nearly the same amount of crosscoupled signals from other wires in the cable, making it easy to remove in a differential amplifier with high common mode rejection at the receiving end. In other words the crosscoupled signals from other wires cancel out each other in twisted pair cables. ...
Asked in Computers
What devices converts digital and analog signals which allows computers to communicate over teleohone wires?
A modem performs this function. A modem converts digital information to analog information to transmit a signal over phone lines. The process of converting this signal in this manner is modulation. They also convert analog information back to digital information to receive data. This is called demodulation. The name modem is a combination of the words modulator-demodulator. ...
Asked in Electrical Wiring, Local Area Network
Why are twists in the wires used for networking cabling?
Twist are used in network cables to reduce noise from (RF) radio frequencies, power and (EMI) electromagnetic interference signals. ...
Asked in Home Theater, DVD Players, Electrical Wiring
Can y cb and cr cables be used in place of y pb and pr cables?
Y Pb Pr cables are identical to those used for YUV, Y Cb Cr and RGB cables. They are therefore completely interchangeable. YUV and YPbPr signals are both referred to as component signals although the precise format of the signals are different. The interface is the same for each, namely three wires. The standard cable is a 75 Ohm co-ax cable terminated in RCA plugs for domestic equipment and BNC connectors for commercial equipment. It is always worth using good quality cable...
Asked in Computer Maintenance, CD and DVD Drives
How many wires connected to the CD rom?
Usually two cables total. Such as the SATA Cable and the power cable. As for how many wires are in those cables, it would depends on the connection. Such as IDE have 40 wires. Power cables are usually four pin. It all depends. ...
Asked in Cars & Vehicles
Is it safe to use jumper cables with wires showing?
Never use cables with wires exposed. The wires can ground to the vehicle, start a fire or worse case, electrocute you to death. There is enough current going through the cables during cranking to weld steel(100+amps). ...
Asked in Computer Networking, Telephones
Why are the wires twisted in twisted-pair cabling?
The twisted wires help to reduce crosstalk between the transmit and receive wires for the network. ...
What are the advantages of Wavelength-division multiplexing?
Fewer wires or channels to transmit and receive data. A single fibre-optic cable can handle dozens of channels, instead of using 12 cables, you only use 1 . ...
What Makes Fiber Optic Cables Better Than Copper Cables?
I am not very good at this subject but, I do know that Fibre Optic wires contain glass and it transmits signals by putting a light signal through the wire. It is better than copper cables because Fibre Optics use the speed of light, therefore making it the fastest signal that can ever be invented. ...
Asked in Chemistry
What is an analogy for the nerves in a human body and electric wires?
Electrical wires transmit electrical currents (electrons) along the wire and are encased in a insulated jacket that keeps the wires from short circuiting with neighboring wires so the electrical current can travel quickly and efficiently along the wire. Nerves resemble these wires in that the axons of the nerve fibers are similar looking as they are enclosed in a myelinated sheath. Nuerons do not transmit electrical currents, but rather they transmit charged ions. ...