want happens when a dc is given to a commutator

2 Answers  

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why total tape position are odd in number in Power transformer ?

1 Answers  

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what is the applicatyons of the slipring motor and please tel me more about the slipring concept

1 Answers  

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For maintenance Department What type documention requir for ISo & TS audit

1 Answers   Megatron Solutions, Sams,

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If mutual flux is 1.2wb & power factor is 0.8 lag , then what is the Useful flux of a transformer?

0 Answers   Nalco, NTPC,

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why capacitor burst?

2 Answers  

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What are the types of transformers according to the arrangement of iron cores?

0 Answers  

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how to calculate the input current in singel phase and 3phase supply to 5kva ups

1 Answers   Gravity India,

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what are the types of basic earthing?and why we are doing that?

3 Answers   Bharti,

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What is vacuum circuit breaker.define with cause and where be use it device?

0 Answers  

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Is there any thumb rule for cable selection for any current rating ?

1 Answers  

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DEAR SIR,I GOT THE CALL LETTER FROM RRB, SECUNDERABD AS A JE-II SO PLEASE PROVIDE ME SOME MODEL QUESTION AND ANSWER PAPERS AND LAST YEAR QUESTION PAPERS

0 Answers  

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