Science · Physics

सर्वप्रथम किसने ट्रायोड वाल्व का निर्माण किया?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1अल्बर्ट आइंस्टीन ने
2अलेक्जेंडर ग्राहम बेल ने
3ली डी फॉरेस्ट ने✓
4थॉमस एडिसन ने

सही उत्तर देखें

ली डी फॉरेस्ट ने

Download Single Question PDF

Save this question and verified answer as a clean study sheet with live clickable link.

👥

Share with Friends & Study Groups

Challenge your peer aspirants on WhatsApp or Telegram to solve this question!

Online Test Series

Preparing for Science?

Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.

Start Free Mock Test →

Chapter Practice

Want more practice questions on Physics?

Solve complete topic-wise tests with detailed solutions on GkGet.

Practice Physics MCQs →

Recommended practice questions in Science · Physics

Browse More Science →

Which of the following events is considered a major turning point that fueled Indian nationalism during British rule due to its brutal nature and widespread condemnation?

Solve Question→

Which of the following events is considered the first major peasant uprising against the British in India?

Solve Question→

Who led the Non-Cooperation Movement in India?

सर्वप्रथम किसने ट्रायोड वाल्व का निर्माण किया?

Download Single Question PDF

Share with Friends & Study Groups

Preparing for Science?

Practice by Subject

Practice by Exam

Topic-Wise Solved Questions

सर्वप्रथम किसने ट्रायोड वाल्व का निर्माण किया?

Download Single Question PDF

Share with Friends & Study Groups

Preparing for Science?

Related Practice Questions

Practice by Subject

Practice by Exam

Topic-Wise Solved Questions