i want exam information bhel, nal, hal, bel you have any idea or any question papers or placement papers please send soon

0 Answers   Bhel,

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What is the internal structure of op-amp and explain each block in brief?

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Explain the difference between plc and dcs control system?

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What is the current flowing through BTS? Pls explain?

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I am a fresher and i have done testing course from orbit institute hyd.can any1 say me whether it is necessary to do project in testing.if it is that which is best institute in hyd.can you please inform me if there is any job 4 freshers.thanxs

0 Answers  

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What is a rectifier, what are its various types?

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In the OTA, the transconductance is controlled by A The ac supply voltage B A bias current C The input signal voltage D The manufacturing process

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Explain what is a differential amplifier?

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Why do we use distinct polarisation (UL-H:DL-V) while uplinking and downlinking rather than same (UL-H:DL-H)?

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friends, in closed loop system bandwidth is encresed comparision to open loop. what is mean by that? generally bandwidth means something realeted to frequency.

1 Answers   BARC,

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Why the aspect ratio of tv video display is 4:3 or 16:9? Why not it is any other?

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Why we use vestigial side band (VSB-C3F) transmission for picture?

16 Answers   BPL,

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