what is the use of spst switch in performing experiment on self excited dc motor?

2 Answers  

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what determins the amount of voltage produced by a voltaic cell?

1 Answers  

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how does a submersible pump work..?

0 Answers  

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Essential condition for parallel operation of two single phase transformer is that they should have same A polarity B kVA rating C voltage ratio D % impedance

1 Answers   wbsedcl,

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To attain a powerfactor more than .95, how much kvr should we use for 100 HP of current

4 Answers   Bhel, Scooters India,

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how the BDV of the oil will be checked using moterised controled HV SET?

1 Answers  

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What is actual name of Transformer oil.

6 Answers  

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Actually why the transformers are rated in KVA.?

4 Answers   BSL, Engineering,

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What is the difference between RMS and average value

5 Answers   CEERI, HPCL,

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what is the speed of the darkness?

3 Answers   Wipro,

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How power factor affect on bill explain with example.

13 Answers  

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if we know Fault level say 25 KA , How to decide busbar size for Distribution network of 1000 Amp Breaker ? Sample Calculation or Farmula Available or not ?

4 Answers   TCS,

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