Question : Who among the following was the inventor of long-distance telephones?
Option 1: Christopher Dack
Option 2: Niels Bohr
Option 3: Michael Pupin
Option 4: Alexander Graham Bell
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Correct Answer: Alexander Graham Bell
Solution : The correct option is Alexander Graham Bell.
The telephone was created by Alexander Graham Bell. In 1876, he received the patent for the invention of the telephone, and shortly thereafter, he successfully demonstrated the first long-distance call on March 10, 1876, when he spoke to his assistant, Thomas Watson, over a distance of two miles.
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