Computer Science, asked by sijojoseph0087, 4 months ago

In which year was vaccum tube invented ?

Answers

Answered by Anonymous

2

Answer:

1904

Explanation:

1904: British engineer John Ambrose Fleming invents and patents the thermionic valve, the first vacuum tube.

Answered by Aera2542

2

Answer:

1904

Explanation:

1904: British engineer John Ambrose Fleming invents and patents the thermionic valve, the first vacuum tube.

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