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in 1919..by John A.Fleming
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Who invented the vaccum tube?
Lee De Forest invented vacuum tubes.
What replaced the vacuum tube?
The transistor replaced the vacuum tube, allowing radios to get much smaller and portable.
Where was Dyson vacuum invented?
The Dyson vacuum was invented by James Dyson in England.
Who invented the Dyson vacuum cleaner?
James Dyson Invented the Dyson Vacuum Cleaner
Is vacuum tube ohmic or non-ohmic and why?
Vacuum tubes are non-ohmic devices
When was the three-electrode vacuum tube invented?
In 1907 American inventor Lee De Forest invented the three-electrode vacuum tube
Who invented the three-electrode vacuum tube?
In 1907 American inventor Lee De Forest invented the three-electrode vacuum tube
Who invented the vacuum tubes and storage devices?
Vacuum tube was invented by lee de forest .
Who invented the vaccum tube?
Lee De Forest invented vacuum tubes.
Who discover vacuum tubes?
John Ambrose Fleming invented the vacuum tube in 1904.
Who invented the vacuum tube?
First invented by a British scientist named John A. Fleming, although Edison had made some dsicoveries while working on the lightbulb. The vacuum tube was improved by Lee DeForest.
Who made the vacuum tube?
No one person invented the vacuum tube. Thomas Edison, Eugene Goldstein, Nikoli Tesla, among others were responsible.
What computer component did the transistor replace?
the vacuum tube
What did Lee DeForest invent?
De Forest invented the Audion tube, a vacuum tube that takes relatively weak electrical signals and amplifies them.
When were vacuum tubes invented?
Although the discovery was made of the principles for the vacuum tube around 1873 it was not put into practice until the early 1900's.
What gas is used in a vacuum tube?
A vacuum tube does not contain any gases. All the gases are evacuated from the tube and only vacuum is left.
Who invented the triode?
In 1906 Lee De Forest, an American engineer (often called the "father of radio"), invented the three-element vacuum tube, or triode.
