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What does it tell you about a vacuum tube if you see the getter of that vacuum tube is no longer silvery but has turned white?
It means that the glass envelope has leaked and is no longer a vacuum. Air inside has oxidized the getter. They generally no longer work in this condition.
What are the Adavantages and disadvantages of vacuum tube?
when the vacuum sucks up things it goes through the tube and into the bag ...Unless you are talking about electronics, then a vacuum tube is used to form an amplifying circuit. Some tubes can emit cathode rays onto a screen (Cathode Ray Tube = CRT) to display a picture and some can function as diodes to regulate current flow.
What does tube mean?
an electron tube containing a near-vacuum that allows the free passage of electric current.
Forward bias and reverse bias?
forward bias is in the direction a junction or vacuum tube wants to conduct currentreverse bias is in the direction a junction or vacuum tube opposes conducting current
What electronic component is a gate or switch for electrical signals?
Transistor or vacuum tube.
What computer component did the transistor replace?
the vacuum tube
How many KB is a vacuum tube?
Kilobytes and vacuum tubes are not in the same category. At best, a twin triode vacuum tube is a single flip-flop and can hold 1 bit of information, making a vacuum tube about 0.000122 of a kilobyte.
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.
What are the elements of a vacuum tube?
A vacuum tube is simply a tube with no oxygen nor carbon dioxide in it (aka no air).
What is in a vacuum tube?
Millman's theorem
Where was vacuum tube was made?
who made the vacuum tubes
How many feet of vacuum tube do you need to replace them all in your bronco?
6
What replaced the vacuum tube?
The transistor replaced the vacuum tube, allowing radios to get much smaller and portable.
What does vacuum tube mean?
an electron tube containing a near-vacuum that allows the free passage of electric current.
What are example of vacuum tube?
cellphone
What does the first generation vacuum tube look like?
* == 1st generation vacuum tube look like as a parallel electric bulb. _____ ----_____)
When was the three-electrode vacuum tube invented?
In 1907 American inventor Lee De Forest invented the three-electrode vacuum tube
