why is the number of turns different in current and potential coils of wattmeter..?

1 Answers  

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how to calculate power loss cost of aluminium conductor and copper conductor?v=500v.i=100A.x-section area=68mm.squre conductor

1 Answers  

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what will happen if any motor runs long time with star connection in400vA.C. system

5 Answers  

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Brief working principle of fluorcent tubelight,function of starter & choke.

3 Answers   Havells,

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To test Transformer we give HT side 440V to see wheather that it is producing 17.6V on LT to verify Voltage ratio is correct or not but when we give the 440V voltage to LT side then what will happen to HT voltage ?

3 Answers   Aditya Birla,

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Why Power factor is different - different in all three phase of a 3 phase nduction motor.

2 Answers  

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Why P.f. of the system decreases when it is connectect across induction motor? & how to maintain the p.f. of system to unity.?

6 Answers   Reliance,

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What are the types of control system?

0 Answers  

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whose motors self starting synchronous or Induction motor?give fact reason why not self starting another mother

2 Answers  

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what role does a star point or neutral point play in a star connected system?

4 Answers  

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In three pin plug 6 amp. 220V ac rating. Why earth pin diameter is higher than other two pin? What its purpose ?

0 Answers  

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what is the reason for drop in freq. from 50 hz at generating side to 49.8 ,49.6 etc.at receiving side???

2 Answers  

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