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Q: Which would transmit sounds better a wire or air?
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Why the same devices using cross over cable?

In order for two devices to communicate the transmit signal wire must be connected to the receive wire. A crossover cable accomplishes this. With a straight through cable you would have a transmit signal connected to a transmit signal, which is similar to two people talking at once (and no one listening). In a network scenario a straight through cable would cause constant collisions.


Alexander Graham Bell used an electrical wire to?

transmit voice


Why is wire better than copper wire on an electromagnet?

whty is copper wire not better than wire on a electromagnet whty is copper wire not better than wire on a electromagnet whty is copper wire not better than wire on a electromagnet whty is copper wire not better than wire on a electromagnet whty is copper wire not better than wire on a electromagnet


What would occur if you switch from 14 wire to a 12 wire?

12 wire is bigger than 14 so nothing would happen, the bigger the wire the more current it can handle and the better it is.


Is fiber optic communication better than electric communication?

yes. fiber optic communications literally move at the speed of light, while electric communication is limited to the wire used to transmit the data


Will a thicker or thinner copper wire of the same length allow more electric current to pass through?

A thicker wire will transmit more current


Why would the AC not work and the roof not open on a convertible '91 Celica?

sounds like a blown fuse or a bad wire.


Why the electric utility company increases the voltage of electricity for long distance transmission?

If we would like to transmit the voltage that comes staright from power stations without increasing it, we would have to use wires of size of the motorway to carry it. When we increase the voltage, current decreases which means we can use less diameter wire and we can transmit the power easly. P.zak bury


Whats the difference between the telegraph and the cell phones?

A telegraph relies on a wire to transmit a message to an individual on the receiving end. A cell phone is a wireless device that uses radio waves to transmit a signal.


Why is cooper wire better than a rubber tube is?

it has better wire than a rubber tube


A device that can transmit electrical energy between two non-connected coils of wire by electromagnetic induction is called?

A transformer


Why would the car stereo light remain on after the car is turned off?

check the wiring connections as it sounds to me that the illumination wire is getting a constant 12v feed, also check that the ignition wire is switching off with the ignition