Define piezo-electric effect?

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which one has maximum efficiency autotransformer or transformer?? and why??

2 Answers  

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how can we connect a distance relay to CT core that is for backup protection or metering?

1 Answers  

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what is the difference between Resin Cast CT and Oil cooled CT?

1 Answers  

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why rotor resistance starter is not suitable for squrielcage induction motor?why it is suitable for slipring induction motor?

5 Answers  

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wat is d first thing to be seen 2 lay a cable in a particular area??

1 Answers  

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delta motor winding resistance I take normally single winding is 2.5, which value is came delta connection ie RY ?

0 Answers  

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What makes the difference between 50Hz supply and 60Hz supply which one is economical and how can you support your answer...........?

2 Answers   Fertichem, Kuwait Oil Company,

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how r charge carriers produced

0 Answers  

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is it possible for different brand of H.V transformers to run or operate in parallel to each other? if so how much disturbance can this affact the H.V bus bar?

0 Answers   Unitech,

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what is the maximum load in MDB,SMDB and DB

1 Answers  

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What is the physical significance of phase.. i.e. what is exactly the meaning in layman's language.. 1 phase, 3 phase etc ???

0 Answers   L&T,

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