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In a pure semiconductor, concentration of electrons in conduction band is equal to the concentration of holes in valence band. In the process of conduction when an electric field is applied, the electron moves in the opposite direction of the field and occupies the position of nearest hole, so that, a new hole is created in the place of electron.
This process of electron movement and hole movement continues in the semiconductor substance. In the applied electric field, electrons move towards positive terminal of the battery and hole moves towards negative terminal of the battery.
Illustrates some applications of holography? Applications of Holography Holography can be put to many of uses other than recording images. Holographic data storage is a proc
Illustrates the research of electron microscopy? Research in electron microscopy includes: a. Materials qualification b. Electron beam induced deposition, and materials a
Question 1. Explain the picture-archiving system used in diagnostic imaging departments. 2. Discuss the role of Medical Imaging Informatics in modern radiology departments.
Chain Reactor: Splitting of nuclei also causes the emission of neutrons. If these neutron cause further fission in the other nuclei and this process continues, then it is known
COHERENCE : 1) Visible light energy is emitted when the excited electrons in atoms undergo transitions to the ground state. 2) In ordinary light sources, these transitions
For this circuit which of the subsequent represents a correct way of connecting an ammeter to measure the current through resistor R2? Answer: An ammeter acts simila
It is the lowest temperature at which a flammable liquid can form an ignitable mixture with air. At this temperature the vapour may cease to burn when the source of incitation is r
While music is on you will try to oppose the two ear phone pieces to attract. Task-I: Will they attract? If yes, why so?
It is defined as the magnetic lines of force per unit area of the pole face. B=φ/A where φ is the magnetic lines of f
A parallel plate capacitor has nineteen interleaved plates each 75mm by 75mm separated by mica sheets 0.2mm thick. Assuming the relative permittivity of the mica is 5. Calcu
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