Answer / k.prakashchandra

Impedance and back emf are reduced

Answer / purushotham polyreddy

when high currents produced temperature of the windings has
been increased when the temperature over the steady state
state temperature the insulation of the winding is melt
finally insulation will break so the windings are shorted

Answer / syed mudaser ahmed

In case of step down transformers secondary winding is more than primary winding , so on the basis of amount of secondary winding burned the voltage transformation gets increased from primary winding to the secondary winding.

how the CT and PT is connected in the circuit during testing of transformer explain with diagram

0 Answers   KESC,

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Which types of following motors are most efficient?

0 Answers  

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Due to velocity saturation, MOSFET reaches saturation a.Before Pinch off b. After pinch off c. At Q point d. Before Q point e. After Q point

1 Answers  

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salam, hi, how to calculate british temperature unit (B.T.U)?

1 Answers  

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why AC signals are represented by sinusoidal waveform?WHY other waveforms not used for representation

4 Answers  

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where solid grounding and where grounding through ngr done and why?

0 Answers   NTPC,

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What is basic impulse insulation level? And how it is calculated for sub- station?

2 Answers  

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What is rms value wher it is used??????????

1 Answers  

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how to define tell me about self

0 Answers   Bhel,

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when we catch any one of the phases with our both hands in air(without touching ground),our body acts as a conductor.is it correct.please clarrify it.

4 Answers  

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how the alternator transfere mechanical energy to electrical one ??

3 Answers  

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what is servo motor principle? difference between induction motor & servo motor?

1 Answers  

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