0
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.
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
How many states can a vacuum tube have?
2 states
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 does tube mean?
an electron tube containing a near-vacuum that allows the free passage of electric current.
What are the advantages and disadvantages of fire tube boiler and water tube boiler?
the advantage is the design is complicated
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
Disadvantages using a vacuum tube method venipuncture?
Sometimes the vacuum collapses the vein.
Advantages and disadvantages of vacuum tube?
Vacuum tubes have superior sound quality and are typically easy for the user to replace on their own. Disadvantages include their size, rather large for portable devices, and they generally use a larger amount of power then transistors.
What computer component did the transistor replace?
the vacuum tube
Advantages and disadvantages of globalization on health care?
adavantages of globilization is that medicicnes all over the world spread
What is the adavantages and disadvantages of calculators?
The advantages is to fasten your math problem but it can affect human nature by being lazy and dull.as a result
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
What replaced the vacuum tube?
The transistor replaced the vacuum tube, allowing radios to get much smaller and portable.
What are the disadvantages and adavantages living in the city?
Advantages are more shops, more attractions and it's bigger. Disadvantages are it's really busy, there's more street crime and there isn't any country side.
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.
