Air as a medium for communication
air is an insulating medium ,then how it helps in communication?
Replies
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Jeffrey ArulrajIn many ways it serves as a path between the trans and reciever ckt -
Ramani AswathCommunication is by electromagnetic waves. They do not need a medium. All satellite communication is mostly through the vacuum of space.
However sound waves do need a medium. These are longitudinal waves in contrast to the transverse electromagnetic waves above.
Physics Tutorial: Sound Waves as Pressure Waves
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