Semiconductors are objects in which the flow of current is not conserved. Similarly, those objects that allow the flow of current are called conductors. These semiconductors are the intermediates between conduc
Electroluminescence was widely studied in detail during the 1950s by scientists, with J.R. Haynes demonstrating that the emission of light from germanium and silicon diodes was due to the interaction of holes and electrons in a p-n junction in 1956 at Bell Telephone Laboratories. Infrared LEDs ...
The main examples of conductors are copper, silver, mercury, and aluminum, whereas semiconductor examples are silicon and germanium. Thus, this is all about the comparison between semiconductors and conductors. Theelectrical conductorsare materials or objects that permit the current flow in one direc...
And Germany blocked the sale of two chip firms to China last year, citing national security concerns. —Who are the leaders? From design to manufacture and end-use, thesemiconductor industryis truly globalized. Almost all of theraw materialsneeded to make the chips—silicon, germanium and galliu...
why does the electrical conductivity of semiconductors increse with rise in temperature? View Solution why does the electrical conductivity of semiconductors increse with rise in temperature? View Solution View Solution View Solution View Solution ...
Carbon has 4 electrons in their valence shell but it is not a semiconductor ,why? Silicon also has 4 electrons in valence shell hence it is a semiconductor.What is a pure quantum state?What are the most common names for these compounds and ions? (a) \ CH_4\ (b) \ N...
why does the electrical conductivity of semiconductors increse with rise in temperature? View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep, NEET preparation an...
b) How are semiconductors different from "regular" metals, and how can this be controlled to allow for modem electronics. Give reasons as to why graphite conducts electricity. Are all solids able to conduct electric current? Explain. Is germanium a conductor or a semicon...
The dominant semiconducting material now in use is a) germanium b) gallium c) silicon d) carbon The oxidation numbers of the elements in a compound must add up to what? Give the symbol for each element: (a) sulfur, (b) sodium, and (c) aluminum. ...