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What are semiconductors? Give an example for n-type semiconductors.
Semiconductors are materials having electrical conductivity among that of insulators and conductors. This is because, in semiconductors, there is only a small difference in energy among the ?lled valence band of electrons and the empty conduction band. They are the solids which act as insulator at absolute zero but conduct electricity at ordinary temperatures. For instance, N-type semiconductor is obtained by doping Phosphorous or Arsenic on Silicon or Germanium
Applied Force (Fapp) : an applied force is a force that is useful to an object by a person or another object. If a person is approaching a desk across the room, there is applied fo
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quenching process in g.m. counter
Focal length of convex lens is 0.1 m. A liquid lens is formed between a plane surface and one face of this lens of radius of curvature 0.12m. The converging combination formed is f
State perpendicular axis theorem. a) Explain impulse-momentum principle. b) Verify the equation of motion for translation
The semiconductor material is refined through a process is known as zone refining. It is used for the production of high purity crystals; silicon for example has a melting temperat
Shear force diagram (SFD) and bending moment diagram (BMD) are a graph of shear force / bending moment plotted against the horizontal axis x, indicating the shear force / bending m
Determine the surface integral for the vector function over the surface S. where S is the surface of the unit cube bounded by x=0, x=1, y=0, y=1, z=0, z=1.
(a) Two 40 g ice cubes are dropped into 220 g of water in a thermally insulated container. If the water was initially at25°C, and the ice came directly from a freezer at -15°C,what
Illustrate the characteristics of a sound note. What do you mean by Resonance? Illustrate with an example.
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