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ENERGY LEVELS
The energy levels, measured in electron volts (e.v.) in which orbiting electrons exist comply with a law of physics which states that energy can be given to electrons only in discrete amounts (quanta) which means that there are energy values that an electron cannot acquire. From this it can be deducted that there is a forbidden energy gap between each of the allowed energy bands K to O.
The width of the forbidden energy gap between the top of the valence band and the bottom of the conduction band determine the electrical conducting properties of materials.
Advantages of D.C. transmission of power 1. It needs only two conductors as compared to three for a.c. transmission. 2. There is not an inductance, capacitance, phase displ
Q. If the net force acting on an object is in the positive x-direction, the object moves only in the positive x-direction. It is not true, the object will accelerate only in the
what is scanning & transmission electron microscope
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I am a impaired student and need a step by step solution for this problem. A32.0 m steel wire and a 23.0 m copper wire, both with 1.00 mm diameters, are connected end to end and
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Explain about the laser cutting and welding. Laser cutting and Welding: Laser cutting is a technology which uses a laser to cut materials, and is generally used for industri
Casimir effect (Casimir) A quantum mechanical effect, where two extremely large plates placed near to each other will experience an attractive force, in the absence of any oth
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