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Who developed a machine that allowed sound waves to travel across a wire as an electrical current? A) Alexander Graham Bell B) Thomas Edison C) Lewis Latimer D) William Kelly
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Who developed a machine that allowed sound waves to travel across a wire as an electrical current?

A) Alexander Graham Bell
B) Thomas Edison
C) Lewis Latimer
D) William Kelly

User Dulini Atapattu
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2 Answers

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A ) Alexander graham bell
User DrPatience
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The man who have developed a machine that allowed sound waves to travel across a wire as an electrical current was known to be called Alexander Graham Bell
User Ssri
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