How the train speed control?

1 Answers   Bhel,

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What is the difference between AC voltage and DC voltage?

6 Answers  

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what is the working principle of DC generator ?

10 Answers   DRDL, HCL,

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what is work of choke in tube light?

4 Answers   L&T,

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What is difference between ct&pt transformers?

4 Answers   Adgas,

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Which material is used for the core of a transformer and why?

0 Answers  

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what is the differance between HT motors And LT MOTORS.

0 Answers   Empire Vitrum Glass, Sappi,

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What the methode get earth resistance?

2 Answers  

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Why CT secondary is grounded?

4 Answers  

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is emf is indued if dc is passed through coil

5 Answers  

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How to find synchronous motor speed formula Ns=120f/P ?....

2 Answers   Cranedge,

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why vector group used in transformer and what effective in output

1 Answers  

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