Which of the following inventions were done by Thomas Alva Edison?

  1. Home

Question:Which of the following inventions were done by Thomas Alva Edison?

1.Incandescent lamp

2.Phonograph C (Gramophone) and microphone

3.Carbon telephone transmitters

4. All of the above

Posted by R4R Team
  1. Which of the following inventions were done by Thomas Alva Edison?
Search
R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!