Why is silicon preferred over germanium in the manufacture of semiconductor devices?

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Can someone guide me about the written test paper pattern for s/w engg having exp of more than 3yrs.will it be technical or aptitiude?

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Which oscillator is best for general purpose?

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what is conductance

2 Answers  

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What is the state if the RED LED is glowing on DVxx card What is the state if the YELLOW LED is glowing on DVxx card What is the state if the GREEN LED is glowing on DVxx card Which frequency band DVDC is used Which frequency band DVGA is used

0 Answers   NSN,

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What is the difference between leds and pn junction diode?

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what r the different bands in microwave region

5 Answers   BEL,

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what is am transceiver.

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principle of edta titration

2 Answers   Microtek,

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State advantage in using microcontroller while designing any system.

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i want RRB chennai section engineer model papers &previous years papers including GK, ARITHEMETIC, REASONING, GENERAL ENGLISH IN THE YEAR 2005,2006,2007, 2008.

1 Answers  

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How is cad used with electronics? Give example.

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