what should be the acceptrd value of winding resistance for 2.5MVA transformer

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what is the diff between mcb and vcb

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why current is constant on d.c?

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what is the basis for selection of Protection CT class ? How anyone can decide whether to go for 5P10 or 5P20 ?

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How does numerical relay work?

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if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer

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What is thyristor?

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I know current,volt,powerfactor of an electrical line. In this line how I will calculate Active power and Reactive power

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WORKING PRINCIPLE OF HALOGEN LAMP & MEQUERY LAMP

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What is Creepage distance?

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What is the need of ISOLATION Transformer?

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Draw torque - speed curve and load curve of induction motor? mark operating point ?

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