Answer / s.sam jeba singh

50Mohm

Answer / k.prakashchandra

Without armour you can not get the correct IR. Larger the
area of conductor the thicker is insulation layer and you
have to use 500 V megger which will read not less than 5 M ohm.

Answer / utcl

above 10 megaohms

what is the maximum load on for 10 kva & 25 kva transformer

8 Answers   ABB, Power Grid,

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How many points can we have in AC Circuit? Show by giving suitable example?

3 Answers  

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1.two coupled coils with L1=L2=0.6 H have a coupling coefficient of k=0.8 the turns ratio N1/N2 is......

5 Answers   BSNL, SSC,

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Why P.f. of the system decreases when it is connectect across induction motor? & how to maintain the p.f. of system to unity.?

6 Answers   Reliance,

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1. for eg, capacitor is used for many purposes(it act as filter, oscillator, bypass capacitor, memory storage etc...) 2. Please tell me some example circuits for different uses of capacitor( whenever and whereever and however we used capacitor as a filter, oscillator tuning etc..) 3. similarly for inductor and resistors(it act as what?) and when and how we want to act as like that?, and how we can used these components depends upon our requirments with example circuits and explanation? design to act as these components depends

0 Answers  

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basic princple of induction and synchronous motor

1 Answers  

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Electricty is generated at around 16kV, then step up to 220kV for transmission then steped down to power transformers then DTs and then through the LT n/w it reaches the consumer end. At the consumer end 230V supply is required. So, why is electricity not generated directly at 230V and transmitted?

4 Answers  

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what is photo voltic cell,& what are the materials associated with that?and any spcifications like volts/cm etc?

0 Answers  

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What are the main significances of root locus?

0 Answers  

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I need tnpsc AE Electrical question papers

2 Answers   TNPSC Tamil Nadu Public Service Commission,

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what is DAR test?

2 Answers   Al-Naboodah, ISRO, ONGC,

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How a generator is positioned in a hydroelectric power plant?

10 Answers   Infosys,

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