. What do you mean by transmission medium? Give two examples
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A transmission medium is something that can mediate the propagation of signals for the purposes of telecommunication. Vacuum or air constitutes a good transmission medium for electromagnetic waves such as light and radio waves.
Examples : Examples of this include microwave, radio or infrared. Unguided media provide a means for transmitting electromagnetic waves but do not guide them; examples are propagation through air, vacuum and seawater.
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Transmission medium describe the type of physical system used to carry a communication signal from a system to another.
Example- twisted- pair cable, coaxial cable.
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