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  1. Who invented Gramophone?

    2. A.

     Michael Faraday
    B.

     Fahrenheit
    C.

     Sir Alexander Graham Bell
    D.

     Thomas Alva Edison

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    Answer : Option D

    Explanation :

    Gramophone was invented by Thomas Edison, Emile Berliner and Eldridge R. Johnson. Gramophone is also known as phonograph.

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