Why does a pure semiconductor behave like an insulator at absolute zero temperature?

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What are the disadvantages of ac voltage controllers?

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Name the breakdown mechanism in a lightly doped p-n junction under reverse biased condition.

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what is plc and how many type used plc in industrial field.

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what is the logic circuit of 8:3 encoder and 3:8 decoder?

2 Answers  

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Size of the IP reg in 8086 is----

2 Answers   Vi Microsystems,

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when the generator running trip by earth current even though engine all so shut down the problem showing gcs waring and emergency trip there after starting always gcs locked out what is the problem [this is cummins qsk 23 electronic controle module governer

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Why silicon and germanium are the two widely used semiconductor materials?

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What is Electronics Engineering how to become a good Electronic Engineer and which company to approach in India (Bangalore)

7 Answers   Telecom, Xansa,

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when & where we say that here communication electronics gets involve ? Difference b/w communication electronics, power electronics, digital electronics, discrete electronics, analogue electronics & Mechatronics ? Where these are used & can be used ?

3 Answers  

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what do you mean by a bulb having 200W,230V supply?

2 Answers   2Com,

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state and explain the type of losses in optical fiber communication channel, explaining the mechanism of the losses

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