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How emergency call get through without coverage but not other call at that time?
Define pair?
Why silicon and germanium are the two widely used semiconductor materials?
What is the simplest way to maintain the "power factor" of any system? if you have many methods specify all!
Alcatel&Lucent Bts
Explain how to increase the gain and directivity of an antenna?
what is limitation of auto transformer?
How can leveltrol be installed in steam drum for measuring the level of steam drum
What is the difference between power diode and signal diode?
Define what is schottky diode?
What is circuit switching?
why diodes are not operated in the breakdown region in rectifiers?
Why is base made thin and lightly doped?
Sir, Plz send the last 5 yrs ques papers for Railway board's section engineer post. Thanks, c_k_chand@yahoo.co.in
what does tru, dtru, cdu do and what is inside of them. Please ans
