need previous placement test papers of infosys and soctronics

0 Answers  

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If anybody have technical test papers for HPCL. Pls, mail me on akanksha417@yahoo.com.

0 Answers  

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how modulation reduces the height of antenna?

2 Answers   MES,

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What are the three services offered by GSM? Explain each of them briefly.

1 Answers  

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The Entropy of the source is maximum when the symbols are...................?

0 Answers   BSNL,

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What is a transistor. Can u explain the basic operation of it??????

14 Answers   TCS,

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whah is active and passive components?

5 Answers   Hindalco,

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What do you mean by drift velocity and mobility of a free electron?

0 Answers  

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What happens to the conductivity of semiconductor with the rise in temperature? Compare with the conductivity of metals.

0 Answers  

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Lamps in street lighting are all connected in a) Series b) Parallel c) Series parallel d) End to End

9 Answers   Indian Ordnance Factory, Indian Railways, JE, NTPC, Ralson, RRB, Steel Plant, Vizag Steel,

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Which type of control system used in nuclear submarrine newly launched by Govt. of India.

1 Answers   BARC,

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For TV transimission in india we use AM for video and FM for audio. why like this? can we use opposite way?

4 Answers   Sony,

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