Cathode Ray Tube MCQs Quiz Online PDF Download eBook
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MCQs on Cathode Ray Tube PDF Download eBook
MCQ: Charles Goodyear invented the vulcanized rubber in
MCQ: Who invented vulcanized rubber?
- Charles Gorrie
- Charles Grafton Page
- Charles Goodyear
- Charles Perkins
MCQ: Cathode Ray Tube' which used cold cathode diode was invented by
- Thomas Edison
- Horace Day
- Fredinand Braun
- Oliver Evans
MCQ: Earliest version of Cathode Ray Tube was invented in