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Discussion :: Inventions

  1. In which decade was the ARRL founded?

  2. A.

     1940s

    B.

     1930s

    C.

     1920s

    D.

     1910s

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    Answer : Option D

    Explanation :

    On April 6, 1914, Hiram Percy Maxim proposed the formation of the American Radio Relay League.


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