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Why transformers are based on electromagnetic or inductive energy transfer principle? is it possible to transfer energy by capacitive  or electrostatics principle at the same time  getting isolation like our original transformer. 
Author : Debabrata Das
Considering the torque slip and current slip characteristics of 3 ph induction motor .before the point corresponding maximum torque , torque is inversely proportional to current and after t=t(max) torque is directly proportional to current why? 
Author : debdyuti roy - From: India
Can a VTG  pulse of 0 Hz frequency give an AC pulse with few Hz frequency?  
Author : Unknown
While the positive sequence reactance  has different values during sub transient, transient and steady state periods, why these are not applicable for negative sequence reactance. Why there  is no sub transient or transient negative sequence reactance? 
Author : D.Suryanarayana - From: India
I want to know if we can find the phase difference of two non sinusoidal waveform???????? ... 
Author : Abhishek Kumar - From: India
How can equipments work in ac current even it is oscillating from +ve to -ve and to zero?... 
Author : Challarao - From: India
Why in estimating the transient flux in the core of C.T magnetizing current is neglected??? 
Author : Abhishek Kumar - From: India
what means of grounding in ac circuit?? 
Author : ? - From: ?
Which side of a loaded transformer contains the magnetizing current? 
Author : Hamid - From: Iran- Firouzabad in Fars
how to run an induction motor as synchronous motor?
Author : Pratik
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