What is the difference between alternator and generator?
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Explain What will happen when direction of field current is changed (i.e, field excitation is reversed) in the following machines? 1) Alternator 2) Synchronous Motor 3) D.C Generator ( Shunt or Seies ) 4) D.C Motor ( Shunt or Seies )
HOW TO CALCULATE THE DOMESTIC POWER FACTOR?
What is the function of RCBO? What are the different sensitivity ratings & each application?
what is impedence of transformer? its formula
how to find the capacitance value of the motor while running??
How do we calculate transformer oil in liter from the rating of the transformer.
What is the black star?
What is the purpose of SSVW, IOVW, DVDF Tests in transformer? Those who are answering, pls send mail ids also.
why we are using the ac supply in domestic purpose why don't use dc supply
what is induction motor
What is the operational principle of direct current current transformer and direct current potential transformer?if possible plz reply with ckt. diagram.
What loads the lagging and leading effects comes in a circuit?
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