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Standard XII
Physics
Introduction to Semiconductors
The telephone...
Question

The telephone with cables was invented by:

A
Alexander Graham Bell
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B
Alexander Bain
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C
Martin Cooper
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D
John Logie Baird
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Solution

The correct option is A Alexander Graham Bell
The telephone with cables was invented by Alexander Graham Bell in 1876 in United States .The instrument was further seveloped by many others.


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