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Which of the following inventions were done by Thomas Alva Edison?a)Incandescent lampb)Phonograph C (Gramophone) and microphonec)Carbon telephone transmittersd)All of the aboveCorrect answer is option 'D'. Can you explain this answer? for Current Affairs 2024 is part of Current Affairs preparation. The Question and answers have been prepared according to the Current Affairs exam syllabus. Information about Which of the following inventions were done by Thomas Alva Edison?a)Incandescent lampb)Phonograph C (Gramophone) and microphonec)Carbon telephone transmittersd)All of the aboveCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Current Affairs 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following inventions were done by Thomas Alva Edison?a)Incandescent lampb)Phonograph C (Gramophone) and microphonec)Carbon telephone transmittersd)All of the aboveCorrect answer is option 'D'. Can you explain this answer?.

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