Why temperature coefficient of resistance of a semiconductor is negative?

0 Answers  

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We take the area of collector wide comparison to base and emitter. Why?

0 Answers  

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what is rectifier circuit?

3 Answers   TCS,

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is multiplexing used in 8085 or not ?

12 Answers   ONGC,

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What is natural commutation?

0 Answers  

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What are the advantages of active filters?

0 Answers  

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filtering can be done with: i)capacitor,ii)inductor,iii)both,iv)none.

18 Answers   CTS, Verifone,

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Are You Want to Make a Career in Telecom Sector?

1 Answers  

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As electromagnetic waves travel in space only one can happen absorption attenuation reflection refraction

4 Answers  

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can any one tell us exact bandwidth of any AM power station???

4 Answers   Siemens,

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Explain zener breakdown and avalanche breakdown?

0 Answers  

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which remote subscriber provide voice communication?

0 Answers  

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