At what voltage does land line telephone operate?
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Explain how does a signal differ from a wave?
what is AC?
what should I refer for examination of BSNL-TTA. Please suggest me good reference...so that I can clear this exam.
What is meant by soa?
Which of the two semiconductor materials si or ge has larger conductivity at room temperature? Why?
why we are going for coding in communication signals?
why hybrid parameter are called as h parameter?
what is the difference between the analog and digital communication in modern world and which one is more efficient at present?
what customer problems do fibre channel sans solve?
What are encoders and decoders?
can any one tell difference between 802D and 810D???
Two initially identical samples A and B of pure germanium are doped with donors to concentrations of 1*10, 20 m-3 and 3*10, 20 m-3 respectively. If the hole concentration in A is 9*10 12 m-3, then the hole concentration in B at the same temperature will be