Answer Posted / madhusudhana

Conductivity of Aluminium is 0.6 times that of copper and its tensile strength is 0.4 times that of of copper. Despite these drawbacks, Aluminium is widely used owing to its low cost.

For R-L or R-C ckt,time constant formula is L/R and RC respectively and its unit is in sec.Pls tell me the derivation

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what purpose to use excaiter in DG.?

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why are u join ntpc

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what is the formula for efficiency of francis turbine and generator for hydropower? what is best way to select francis turbine and generator?

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I am a electrical engg. diploma holder,applied for junior engineer (electrical),Kolkata RRB. Have I to attend all electrical,mechanical&civil portion in written exam.???

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Actuality I have at home electrical panel with 220v 50hz, and I want to converter from there to 110v 60hz, to wiring on the half of my house. Also I like to keep another half of my house with the original 220v 50hz. What is the best and safety way to do?

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Brushes are placed at magnetically neutral axis,when brushes reach that point,the armature conductor gets shorted,but it can be seen that the dc supply is also shorted,wont that get damage? help me plz

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What is the difference between electronic regulator and ordinary electrical rheostat regulator for fans?

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What is FTA card? How it works?

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Why are iron cores in transformers made laminated?

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What is CCT (Correlated Color Temperature) ?

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what is v/f control in VFD?

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Is there any standard guidelines/Criteria to design NGR/NGT.?

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1.Z transform always lies around ? a) origin b) pole c) zero d) z=1. Multiples Mcqs which is bother me can’t find answers on internet. Some help required with little explanation . Note: this is not homework or related to any test. Thanks

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Is it possible to measure the voltage of a battery from a single terminal?

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