one cable insulation resistance 200 mega ohm. how find 250 meter cable resistance.

2 Answers   NTPC,

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Why are the HV motors are connected in star connection?

5 Answers  

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what will happen if instead of neutral we use earth wire as return conductor?if we can use ,then why we are not using in our day to day appliances?please justify the answer

11 Answers   NTPC, ONGC,

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IN WHICH MODE THE TRANSFORMER WILL GET A MAXIMUM OUT PUT VOLTAGE. ASKED FOR POWER GRID EXAMINATION STAT-STAR,STAR-DELTA,DELTA-STAR,DELTA-DELTA

3 Answers  

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why generally transformer are in star to delta or delta to star used?

8 Answers   ABB,

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what is the function of a circuit breaker ?how does the circuit breaker function during normal operation of an electrical system

2 Answers  

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Wt is the function of reactive power? How it generates & consume though resultant is zero?

0 Answers  

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What is the suitable rating of MCB used for 1.5 Ton A.C & why?

4 Answers  

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what is swirl induction in i.c engine????????

1 Answers   Ashok Leyland,

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an electric bulb or lamp can operate on ac and dc, if yes then why

5 Answers  

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Is it true that IPT are more accurate than CVT for Measuring purpose?

2 Answers  

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how to calculate current carrying capacity in power cable?

1 Answers  

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