Question
ट्रायोड बल्ब की खोज किस वैज्ञानिक ने की थी?
Answer
डॉ. ली. डी. फॉरेस्ट ने की थी।Subscribe to our youtube channel!
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Hinglish Excerpt
traayod balb kee khoj kis vaigyaanik ne kee thee?
Tags: ट्रायोड बल्ब की खोजवैज्ञानिक
Subjects: Current AffairsGeneral Knowledge
Exams: UPSCUPPCSSSCRRBIBPSSBIRBICTETAFCATUGC NETDefence/PoliceUPPCLCourt/LegalOthers
