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Poll

rohitBegginer

Asked: August 20, 20242024-08-20T15:45:13+05:30 2024-08-20T15:45:13+05:30In: Education

Who invented vacuum tubes?

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Poll Results

0%John Bardeen ( 0 voters )

0%William Shockley ( 0 voters )

100%Lee de Forest ( 1 voter )

0%All of above ( 0 voters )

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3 Answers

Best Answer

Quearn Quearnist
2024-08-20T15:45:16+05:30Added an answer on August 20, 2024 at 3:45 pm
Vacuum tubes were invented by John Ambrose Fleming in 1904.
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jangyasinni Teacher
2024-08-27T22:04:13+05:30Added an answer on August 27, 2024 at 10:04 pm
C. Lee de Forest
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prasanjit Teacher
2024-08-31T16:39:56+05:30Added an answer on August 31, 2024 at 4:39 pm
C. Lee de Forest
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