AT INPUT OF ups ,n-e is 2 volt ,at out of ups n-e is 15volt why?

1 Answers   Quantum,

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why cant we transmit the low frequency signal for long distances??

2 Answers  

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why rs232 is used in uart when there are many rs devices like rs449 etc . what is the main advantage in using rs232

0 Answers  

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I want previous rrb enteranse exam papers in junior engineer(Signal/Tele/c&w). please send that papers to my id dkg_unnao@yahoo.com

0 Answers   RRB,

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Define potential transformers?

0 Answers  

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What is Micro Controller and Micro Processor. What is the difference between the two

5 Answers   Wipro,

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what is bal

1 Answers   TCS,

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If we use heat sinkble rechem make HT jointing kit for XLPE HT (6KV)termination at HT side of transformenr, Is it required to fill the HT termination with Epoxy compoud?

0 Answers   HAL,

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Differentiate between transducer and transponder.

0 Answers  

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Define what happens to the series current , load current and zener current when the dc input voltage of a zener regulator increases?

0 Answers  

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Hi.im IMRAN.Im pursuing my B.tech final yr.plzzz any 1 guide that vich course shud i take in telecom.either protocol development or protocol testing or hardware plzzzz tell me n hz this important in future n why shud i take.plzzzzz its my request u to send this answer.thnx bro i vil wait for u r answer.k.byeeeeeee

1 Answers  

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define why diodes are not operated in the breakdown region in rectifiers?

0 Answers  

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