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Super conductivity has long been a staple of science fiction one of the first mentions of the phenomenon occurred in Robert A Heinlein’s novel “Beyond this Horizon (1942)”. Notably the use of a friction room temperature super conductor was a major plot point in the ring world novels by Larry Liven, first published in 1970. Super conductivity is a popular device in science fiction due to the underlying concept, zero electrical resistance and the rich technological possibilities. For example, super conducting magnets could be used to generate the powerful magnetic fields used by Bustard Ramjets, a type of spacecraft commonly encountered in science fiction.
In the movie Terminator 2 : Judgment Day the CPU of the T-800 destroyed in Terminator is found to be superconductive at room temperatures. Superconductors are a technology needed in the acclaimed civilization series (computer game) so as to construct the spaceship to Alpha centauri thus achieving a space victory. Superconductors are also early technology in another of Said Meier’s games, Alpha centauri (games).
Explain physically how a p-n junction functions as a rectifier. Ans: When a P-N junction diode is forward-biased and applied voltage is increased from zero, hardly any current
Bragg's law (Sir W.L. Bragg; 1912) While a beam of x-rays strikes at crystal surface wherein the layers of atoms or ions are separated regularly, the maximum intensity of the
What are the Special features and Applications of carbon dioxide laser? Special features and Applications of carbon dioxide laser: The efficiency of this Laser is extremely
If a polarizer is placed in front of each slit, what modification be observed in the interference fringes. A) when the two polarizing axes are perpendicular? b) when the two
STABLE EQUILIBRIUM If object is in stable equilibrium and if we displace object to a very little displacement dr then it will return back to starting position. UNSTABLE EQU
recombination of electrons and holes impurity semiconductor
Metallization: It is the process of giving electrical connections among different parts of the circuit. Aluminium is commonly used. It has a high electrical conductivity and a low
why is friction a necessary evil?
Q. Find the effectual resistance between A and B. 1/R p = 1/R 1 + 1/R 2 R p = R 1 R 2 / (R 1 + R 2 ) = 15 X15 / 30 = 7.5 ohm
Unit Vectors A unit vector is a vector of unit length. A easy animation of unit vectors and vector addition. A unit vector is a vector of length 1, sometimes also called a dir
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