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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).
Give any two methods of electric lines of force. Sketch them for an isolated positive point charge.
Q. What are uses of ultra-violet radiations? Uses of ultra-violet radiations: (i) They are utilized to destroy the bacteria and for sterilizing surgical instruments.
The maximum and minimum magnitude of the resultant of two forces are 16 N and 4N.Measure t he magnitude of individual force. Let the two vector be a and b then maxim resultant
Explain about the principle of acousting grating. Acousting Grating Principle: While ultrasonic waves are passed by a liquid, the density of the liquid varies layer by layer
In the experiment, under which of the following circumstances is the angular momentum L of the movable puck NOT conserved? a) The net torque = 0. b) The radius r is always perpen
singularity: The center of a black hole, where the curvature of spacetime is maximum. At the singularity, the gravitational tides diverge; no solid object can even theoretical
A VDR is a special type of resistor that changes its resistance with rise in voltage. It has a very high resistance at low voltage (below the trigger voltage) and very low resista
It is defined as the dielectric loss expressed as the tangent of the angle between the reactance and the impedance vectors of the capacitor, it is denoted by D. FACTORS AFFECTIN
Electric current may be expressed in which one of the following units? a) coulombs/volt b) joules/coulomb c) coulombs/second d)
In a young's double slit experiment the screen is 1 meter away from the slit, the separation between the slits is 1mm and the distance between the 1st and 4th fringe is 1.2mm. Find
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