When and who invented vacuum tubes ?
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Sir John Ambrose Fleming in 1904
katarayoung1:
Sir John Ambrose Fleming (1849–1945) was an English electrical engineer and physicist, known primarily for inventing in 1904 the first vacuum tube. It was also called a thermionic valve, vacuum diode, kenotron, thermionic tube, or Fleming valve.
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The first vaccum tube was invented by Sir John Ambrose Fleming in 1904.
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✌️Here is your answer ✌️
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The first vaccum tube was invented by Sir John Ambrose Fleming in 1904.
✨Hope it helps you✨
Thank you
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