back emf of motor at the time of starting ?

2 Answers  

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Why should we use jelly filled armoured cables in underground Communication system? What is the use of the Jelly? If we go for unarmoured, then what happens?

1 Answers   Prasad Group,

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what is working of communitator in a dc generator?

3 Answers  

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How to convert a two phase power into a three phase power in induction machine?

0 Answers  

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Dg pf .71 i am improve pf 0.80 what capacitor connected in dg how?

0 Answers   AVT Natural Products, EMC,

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why did lightening arrester rod probe sharp?

2 Answers  

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Tell me about Simence PLC 'BLOCK'.How many types and what for.

1 Answers   Gurit,

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what is relation of rpm with Power supply? rpm directly Proposational to power ?

2 Answers  

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what is difference between DC and Ac

5 Answers   Birla,

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Why Water motor is not taking a load or pressure while everything is correct. (Note: Motor running properly)

0 Answers  

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Can a dc motor works as a dc generator. If yes , then how?

2 Answers  

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1 tr is equal to how many Kw .is there any specific formula for this to get the result .

13 Answers   Cipla, LG, NSN,

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