When a sample of germanium and silicon having same impurity density are kept at room temperature then resistivity of silicon will be higher than that of germanium, why?

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which modulation will be suitable for transmitting audio file? is there any transformation needed for transmission?

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Can we send a digital signal into the air with out modulation? if NO or YES, please give me a answer.

1 Answers  

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how does op-amp work?

2 Answers   Bright Point,

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What is negative frequency?

0 Answers  

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i have completed my engineering this year(2009),& i have not been placed so what should i do?

2 Answers  

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How to manufacture the cmos inverter?

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13. How many TRX are supported when we use one M2HA card in BTS? 14. Name the different types of power supply card in BTS and the output power of each card

0 Answers   NSN,

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Myself Mayuri Parekh.I have technical test for ME in LD engineering college,gujarat.plz send me technical questions and also answers so i can practise.plz send me as early as posibble.my wxam will be in MAY 2009.

3 Answers   LD College,

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What is TA? Why do we need TA?

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What is meant by soa?

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Which type of architecture 8085 has?

3 Answers  

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