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Which has the lowest resistance semiconductors superconductors insulator conductor?
superconductors, they have no resistance.
What are materials that have infinite conductivity at low temperatures?
superconductors
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 type of materials allows electricity to flow through them unimpeded?
Superconductors
Certain materials can become superconductors unedr what conditions?
Very low temperatures.
Which has the lowest resistance semiconductors superconductors insulator conductor?
superconductors, they have no resistance.
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 examples of superconductors and semiconductors?
Semi Conductors: Silicon(Si) and Graphite Super-conductors: Copper,steel,Human beings and Earth itself. Thanks
What are most modern high temperature superconductors made of?
Resistance decreases with the decrease of temperature. Superconductors are made by lowering the temperature.
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.
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.
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.
What are examples of materials that are superconductors?
Materials that will form superconductors come in two basic varieties, those which are metals or alloys of metals and the newer variety that are ceramic-like materials. Some examples in the metal category are are Mercury, Niobium, Tin, Lead and various alloys and the second category includes the more complex compounds Lanthanum-Barium-Copper Oxide and Yttrium-Barium-Copper Oxide. The first category are the outgrowth from the original discovery of superconductivity in 1911 and are now referred to as low temperature superconductors. The 1986 discovery of a new class of compounds called high temperature superconductors gave rise to the second category. The first category has materials that are limited to about 30 degrees Kelvin above absolute zero. The second includes materials that can remain superconducting up to about 130 K.
What has the author Weonwoo Kim written?
Weonwoo Kim has written: 'Doping experiments on magnetic heavy fermion superconductors' -- subject(s): Superconductors
