i need a project on semi conductors so that the investigatory project provided by u will help me to start and end my project successfully
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from
jayanthi
12th class ....etc

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Abstract— Computational Private Information Retrieval (cPIR) protocols allow a client to retrieve one bit from a database, without the server inferring any information about the queried bit. These protocols are too costly in practice because they invoke complex arithmetic operations for every bit of the database. In this paper, we present pCloud, a distributed system that constitutes the first attempt toward practical cPIR. Our approach assumes a disk-based architecture that retrieves one page with a single query. Using a striping technique, ....etc

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i need a list of few investigatory projects for physics
n i need guidence to procced with the projects ....etc

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Presented By
KUMARASWAMY.A


SEMICONDUCTORS & DEVICES
PART 1
MATERIALS
1.1:INTRODUCTION
All of us know how importance of using materials like copper , aluminium etc. in electrical applications. This is because copper aluminum are good conductors. Similarly some materials like glass, wood, paper etc also find wide applications in electrical and electronic applications, these are called insulators. There is also another category of materials whose ability to carry current call ....etc

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hey ppl ter i juz ned few simple physics project topicz...!!
post as soon as possible,....!!! ....etc

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i want to make a working project on physics(mechanics,newtons laws of motion ,surface tension ,pressure, elasticity ,viscosity,........except eletrical and magnetism any other topic) so please help me ....etc

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My friend Rita said physics investigatory projects for class 12 cbse on semiconductors will be available here and now i am living at Vikas Puri and i am studying in the school Columbia Foundation Sr. Sec. School , i need help regarding my physics project ....etc

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Hi, I am in class 12 . I want to do my physics investigatory project on semiconductor pls can you help me? ....etc

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Hi am Kushagra I would like to get details on physics investigatory projects for class 12 CBSE on semiconductors pdf ..My friend Anunjay said physics investigatory projects for class 12 CBSE on semiconductors pdf will be available here and now I am living at ......... and I Last studied in the school ......... and now am doing ....I need help on ......etc ....etc

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Doping of semiconductors



n doping This involves substituting Si by neighboring elements that contribute excess electrons. For example, small amounts of P or As can substitute Si.
Since P/As have 5 valence electrons, they behave like Si plus an extra electron. This extra electron contributes to electrical conductivity, and with a sufficiently
large number of such dopant atoms, the material can displays metallic conductivity. With smaller amounts, one has extrinsic ....etc

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