Explain the working of a multiplexer.

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If an op-amp comparator has a gain of 100,000, an input difference of 0.2 mV above reference, and a supply of 12 V, the output will be a. 10 V b. 20 V c. 12V d. 15V

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why we use zener diode in switching action

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What is the difference diac and triac?

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My lcd monitor not showing boot screen[dos]. Whenever I start the pc it shows blank screen till the windows xp starts. will you help me to solve this ?

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What is modulation? Explain in detail.

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processors and periferals are coonected by PPI,what is meant by PPI?

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any one have C-Dot interview question.....its urgent ...if any one hav..plzz share as soon as possible.

0 Answers   cDot,

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what is the importance of clock frequency in microprocessor?

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Why EMI is very low in optical fiber,while frequency is very high? As we no that in general condition frequency inversely proportional to EMI.

2 Answers   IIT,

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construction of current tranformer

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What is Erlangs? What is meant by GoS?

2 Answers  

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