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Why are electromagnetic waves used to transmit signals?
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28 votes
28 votes
Why are electromagnetic waves used to transmit signals?

User RaJesh RiJo
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1 Answer

23 votes
23 votes

Because everybody who is trying to receive signals is using an electromagnetic wave receiver. If you used anything else to transmit your signals, the person looking for your signals would never know when they show up.

User Chirag Ode
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