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How do superconductors increase the speed of trains?
Superconductors allow the train to 'float' on a layer of magnetism. Since there is no friction (as there would be with wheels on a track) - the trains can reach much higher speeds.
What is the definition of low temperature supercoductors?
In a way, all currently existing superconductors are "low-temperature", but some more so than others. The traditional superconductors work up to about 20 K (or minus 253 Centigrade); more recent "high-temperature superconductors" work up to 100 K or so. 100 K is still minus 173 Centigrade, but it is much "hotter" than the traditional superconductors. The new "high-temperature" superconductors apparently work different than the old-fashioned ones; at least, the theory that explains the traditional superconductors fails to explain how the new superconductors work.
Which has the lowest resistance semiconductors superconductors insulator conductor?
superconductors, they have no resistance.
How do superconductors conduct electricity?
Superconductivity is where there's absolutely zero electrical resistance or magnetic expulsion. Materials that are superconductors conduct electricity much like other materials, but more efficiently.
Why superconductors are not used often in everyday activities?
Because at present all superconductors must be super-cooled in a coolant such as liquid nitrogen to become superconductors.
What are most modern high temperature superconductors made of?
Resistance decreases with the decrease of temperature. Superconductors are made by lowering the temperature.
Are superconducters used in making transisters?
I don't think so. Semiconductor processing requires very clean steps. and superconductors require the use of heavy metals, which can contaminate the process. Besides, superconductors require special equipment that does not exist in the semiconductor industry. The cost of introducing superconducting materials outweighs the benefits of using the materials. Perhaps one day, superconductors and semiconductors can co-exist in an integrated circuit. If the question is about whether superconductors are involved in fabricating transistors (meaning the fabrication equipment), I don't see a need -- we can make do with what we have.
Why are scientists trying to make superconductors that can work at warmer temperatures?
Because refrigerating superconductors to the cryogenic temperatures needed by current ones is expensive, severely limiting the applications they are used in.Metallic superconductors need cooling to the temperature of liquid helium.Copper oxide ceramic superconductors need cooling to the temperature of liquid nitrogen.Room temperature superconductors, if they exist, would need little or no cooling.
How are superconductors different from conductors?
In superconductors, no electricity is wasted because there is no resistance to the flow of electrons. In conductors any electricity not used, is wasted.
What has the author Franklin Curtis Mason written?
Franklin Curtis Mason has written: 'The tunnel effect in superconductors' -- subject(s): Superconductors
What has the author Anatoli Larkin written?
Anatoli Larkin has written: 'Theory of fluctuations in superconductors' -- subject(s): Fluctuations (Physics), Superconductors
How are superconductors different from insulators?
Superconductors are materials that let current or electricity pass through them. Insulators are materials that don't allow current or electricity to pass through them. Superconductors are mostly all metals. Insulators are wood, plastic, and paper.
