explain why the armature voltage changes when the field rheostat is varied in self excited DC generator

2 Answers  

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how do skin effect is reduced when hallow cond or stranded cond are used ?

1 Answers  

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What should be the minimum depth of ground laid 66 kv ht cable?

3 Answers   L&T,

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What is CCTV System???Applications........

16 Answers   Emerson, Honeywell, Joyalukkas,

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WHAT WILL HAPPEN IF WE START A MOTOR WITH STAR & IT IS RUNNING WITH STAR CONNECTION INSTEAD OF DELTA

3 Answers  

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What is a Phase shift meter? Where can I get one?

0 Answers  

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What quedtion to ask a electrical maintenance technician?

5 Answers   Bhel, Royal Furnishers,

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Why are cables rated for 40 KA for 0.25 Sec fault current rating?

0 Answers  

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How regulator control the fan speed?

4 Answers  

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what is the formular for the calculation of CT'S when installed as part of a electrical installation so the correct meter is used

2 Answers  

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EXPLAIN WHAT BTU STANDS FOR(AIRCONS)

2 Answers  

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i want to know about for what reason we are using star delta starter? how it works? what are the advantages?

4 Answers  

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