which semiconductor device is used as voltage regulator & why??

5 Answers   Emerson, HCL,

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difference between USB net modem & GSM interface modem? Can we use usb modem in the place of GSM modem for wireless application? Also tell me Why we use AM for long distance communication but not FM(why do we use frequency reuse concept in FM radi only)

0 Answers  

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what is communication

34 Answers   Assurgent, Unique,

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Frequency at which VOICE is sampled is? a) 4 KHz b) 8 KHz c) 16 KHz d) 64 KHz

6 Answers   BSNL,

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Explain the different modes of buck boost converter

0 Answers  

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Why we use signal&voltage isolator between source n load.

3 Answers   Bhel,

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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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Define what is meant by filter?

0 Answers  

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could u plz send me a sample placement paper for hpcl trainee engg exam..(electronics& telecommunication stream)...thnku deepikameena1@gmail.com

0 Answers   HPCL,

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Draw the circuits of cb, ce and cc configurations using npn transistor.

0 Answers  

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please can any one send me BHEL ECE sample papers

0 Answers  

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What is the mechanism by which conduction takes place inside the semiconductor?

0 Answers  

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