Social Sciences, asked by fari512, 4 months ago

how did people listen to live sound and send message across wires in beggining of 20 century
the first one to answer will be mark as brilliant and like and follow by me but hurry up and answer me urgent

Answers

Answered by Jawadquadri

Answer:

see my explanation

Explanation:

In the 20 th , the British team of Cooke and Wheatstone developed a telegraph system with five magnetic needles that could be pointed around a panel of letters and numbers by using an electric current. ... This action sent the electric signal across a wire to a receiver at the other end.

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