Inventor of " Wireless Telegraph"
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Alexander Bell
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Gugliemo Marconi
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Nikola Tesla
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Samuel Hopkins
B
Correct answer
Explanation
Guglielmo Marconi is credited as the inventor of wireless telegraphy, for which he received the Nobel Prize in Physics in 1909. He developed the first practical system of wireless telegraphy based on radio waves. Option B correctly identifies Marconi as the inventor.