what is mean by potential and potential free contacts

2 Answers  

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1. what type of winding of slip ring ac induction motor rotor and why. 2. how the heating element use in two phase (415 volt)and what rating of element, you prefered.

1 Answers   Simbhaoli Sugars,

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100 MVA 3-phase alternator with earthed neutral has a reactance of 5 ohms per phase. what will be the fault MVA of generator.

0 Answers  

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in india are trains run by DC or AC? if DC , from where it receives negative potential? because pentograph receives singe potential only?

2 Answers   GATE, PSU,

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how to calculate optimum loading for transformer?

6 Answers  

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What conditions are required for transformer to operate at low frequencies ?

0 Answers  

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How induction stove works?

1 Answers  

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What are the classifications of heating element?

0 Answers   BARC,

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3 measuring instrument for transformers?

5 Answers  

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what is the difference between RMS meter and normal meter

3 Answers   TATA,

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what is the cable capacity of any load wise .

2 Answers  

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What is the size of electrical cable to be used for a space heater single phase 240V ?

3 Answers  

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