why do transformer humm ??????????

2 Answers  

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ADVANTAGES OF DIGITAL COMMUNICATION OVER ANALOG.?

1 Answers   Google,

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What is the formula to find maximum load of a DG (Single phase and Three phase)?

1 Answers  

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Name quantities which are not transformed in the tranformer.

3 Answers  

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how could we findout the lightning arrester failed or not in live circuit? Is there any instrument to measure the high voltage at the time of sky lighting?

1 Answers  

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what is resistance

6 Answers   AITM,

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Explen all type electrical protection ? like O/C,E/F,NPS,VOLTAGE UN BLANCE,CURRENT UN BALANCE,NAGETIVE PHASE SEQ,AND ETC...............electrical Protection

6 Answers   Reliance,

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I need a 33/690V Dry type transformer.How to select IP class for this transformer.This will be an outdoor transformer located in a highly polluted environment.

3 Answers  

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why two windings are using in single phase AC motor

3 Answers  

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why field resistance is higher than armature resistance in dc machines? and why filed resistance is kept at min value at starting in same time of armature resistance at max value?

4 Answers  

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What are the different types of dams?

0 Answers  

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what is the responsibility of C license holder in industry?

0 Answers  

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