Computer Science, asked by shrutishaw6047, 6 hours ago

वेक्यूम ट्यूब किसने बनाई थी

Answers

Answered by anantisrevar2020

0

Answer:

Sir John Ambrose Fleming (1849–1945) was an English electrical engineer and physicist, known primarily for inventing in 1904 the first vacuum tube.

Answered by maheshsingh20307

0

Answer:

John Ambrose Fleming vikipidia

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