Answer Posted / sethu

This transformer working principle is mutual induction. but motor is self induction or fleming's left hand rule. so this is different to both element

what is tri state logic gate

2122

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how to determine Sq.mm size of finolex power cables.

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please give some hindalco placement papers for written exam

1758

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What is the Surge suppresor? Why using in a UDB's and How it works?

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Q) Write VBscript code along with QTPscript code in QTP tool for below scenario 1. Launch yahoo site(i know) 2. Do loogin(i know) 3.Click inbox link(i know) 4.Go to every page of mail box and count no.of read mails and no.of unread mails(i know) 5.Store page numbers, read mail count and unread mail count in a new excel file sheet 6.Create 10 types of graphs on that data 7.Do logout and close site(i know) 8.Save new excel files with graph

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what is a power factor?

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detailed procedure how we calculate cost for pcc m10 and rcc m20 including centering and labour excluding steel/ iron

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in non technical way how can u define POWER FACTOR??

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What are the basic properties of signal flow graph?

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how can we say that stator magnetic field rotates with synchronous speed?can we derive?

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What is the function of electron gun used in crt?

1008

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how a resistor resists to flow the current?how an inductor oppses the sudden change in current?how a capacitor opposes a DC voltage.

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If we use 250A MCCB as a incomer in Control panel for a fault level of 50kA for one second ,assuming temperature rise from 85 Deg. to 100 Deg , Then what will be the Aluminium Bus-bar size for 250A MCCB? Explain in detail.

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How to calculate pitch, gauge of winding wire, and No. of turns for 30HP, 3 phase, 4 poles 50Hz, 380V induction motors

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why is a power transformer used only occasionally?it is used to step up at generating stations?and that needs to be done all day long !!!!!!!

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