why the exchang voltge is in minus polarty i.e -48 instead of +48

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Plz tell me the GATE interview question asked for ECE branch?

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tell me about accenture

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Can you help me correct FM transmitter circuit?

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where and why do we use stright and cross cable?

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Explain why does all cellular networks have same shape of sim? Why is it designed in such a particular shape? Does it have any other shape?

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How the battery of a mobile phone is charged??? whether it is charged uniformly or charges fast initially and slowly later on during reaching its full charging value????

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Which one of the following polarization mechanisms/sets of mechanisms contribute to the static dielectric constant of a homopolar neutral dielectric?

0 Answers   C DAC, CDAC,

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out of DSBFC, DSBSC, SSBSC and VSB which is best for comm purpose and why?

1 Answers  

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Define what is the effect of temperature on extrinsic semiconductor?

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What is different between EPABX and PBX

0 Answers   Annai College,

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what is different between multiplexer and demultiplexer?

12 Answers  

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