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Inventions MCQs – Certification Test 53

Radio Trivia (Question 53) – App & e-Book Download

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MCQ: 53

Transmitted voice was patented by

  1. Sir Reginald A. Fessenden
  2. Sir Nikola Tesla
  3. Sir Rudolf Diesel
  4. Sir Schuyler Skaats Wheeler
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8th Class Science Test Questions

8th Class Science Quiz with Answers