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lubasha [3.4K]
3 years ago
10

Who developed vacuum tube and when?​

Computers and Technology
2 answers:
Annette [7]3 years ago
5 0
Jon Ambrose Flemming invented the vacuum tube in 1904
aleksandrvk [35]3 years ago
3 0

Answer:

In 1904, John Ambrose Fleming invented the first vacuum tube.

Explanation:

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