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Railways PYQCBT 1 2016

RRB NTPC · Question 42

Antonio Meucci is associated with the invention of: A. Telephone B. automobile C. LED D. Industrial Robot

  1. D

  2. B

  3. C

  4. A

Show answer & explanation

Answer: (D) A

Explanation

Antonio Meucci, an Italian inventor, developed a voice-communication device ('telettrofono') before Bell; in 2002 the US House of Representatives recognised his work on the telephone.