Draw vi characteristics of pn junction diode.

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how can we define the direction of current with needle movement of an ammeter?

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wat power transmitter we use in radar n explain its principle??

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What is the use of Fourier Transform?

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Pls send me the papers for Section engineer exam for railways.Its on 9th oct-08.Its urgent.My id is abhay_jg@yahoo.com

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Hall effect can be used to measure

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Explain why regeneration is not possible in semiconductor

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Explain 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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What is rfid in developing stage?

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Explain the difference between plc and dcs?

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Which number system is used in analysing and programming of microprocessors?

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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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