what happens in the primary side of the transformer if transformer is short circuited first and increasing the resistance of the short circuit gradually?

3 Answers   Emerson, IIT,

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practically What is power factor

6 Answers  

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What is the difference between short circuit and overload currents?

14 Answers   IIIT,

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can anyone explain the star-delta motor control wiring ,which wire go where and how they operate?

0 Answers  

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why there is spacing between two rails in railway?

3 Answers   DS Group, RRB,

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What do you mean by nominal ratio of instrument transformer?

1 Answers  

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what is back emf?

4 Answers   Bhel,

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What are the two types of transistor and how they are made?

2 Answers  

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What is the difference between in Fourier series and Fourier Transform. and please tell me the difference between both of them and the why we use them in communication system?

0 Answers  

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

0 Answers  

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We have two 1 phase heating coils having same resistance of 25ohm, but during operation one takes 3A and other 6A Is it posiible Pls. explain

5 Answers   Bhel,

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How to choose the vector group for the step up and step down transformers??? Tell me the which vector group is suitable for step up and step down transformers and whats the reason to choose and whats the benefits???

0 Answers   L&T,

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