Explain what is a voltage follower?

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i will be attending the HAL MANAGEMENT TRAINEE(TECHNICAL ) exam ,please i want previous years question papers of HAL in e&c.

1 Answers  

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Define positive logic

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what is the software tool used for mobile tower maintainance testing? i want answer with in two days.......plz

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Why -48v used in telecommunications

0 Answers   STCS, Sudatel, Telecom,

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for small size, high frequency, the most common core material is a)air b)ferrite c)powdered ion d)steel

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why ic 741 is different 4 m other ic's and y these ic 741 is used in integrated circuits?

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We use two different bands for GSM/DCS communications; GSM900 and DCS-1800. Which one is the better of the two in terms of quality and coverage?

1 Answers  

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I am an Engg[ECE] 4th yr student. I have been short listed for Indian Navy screening interview for Short Service Commission. What sort of questions are asked there????

1 Answers   Indian Navy, Samsung,

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Types of (Open Shortest Path First) Link State Advertisements (LSAs)?

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Explain how to calculate knee point voltage?

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what is advantage and disadvantage of rj45 mall mount plate

1 Answers   Apple,

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