what should I refer for examination of BSNL-TTA. Please suggest me good reference...so that I can clear this exam.

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what is ALE?what is it's function?

4 Answers  

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Explain what is the difference allen bradley and siemens plc

0 Answers  

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What is the Difference between Public IP and Private IP?

3 Answers   MTNL,

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State faraday`s law of induction.

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What is the simplest way to maintain the "power factor" of any system? if you have many methods specify all!

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When we trim a resistor, we are A Making a fine adjustment B Reducing its value C Increasing its value D Making a coarse adjustment

0 Answers  

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Zener diode is invariably used with

2 Answers  

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

5 Answers   Emerson, HCL,

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State the differences between power amplifier and voltage amplifier.

0 Answers  

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The function of a transistor used in any of the ics is to perform switching action and not amplification. Then why diodes are not used instead of transistors as diodes also exhibit the same switching action?

0 Answers  

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what is transformer utilisation factor?

0 Answers   TCS,

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