Answer / deepak shrivastava

It should be less than or equal to 0.1 ohms.

Answer / muhammad abid ali shah

Accurate value of earth resistance for the instrument and electronic circuits is 0.02 ohm

Answer / anindya chitta bagchi

.005ohms,according to IS Code 1961

How to calculate rated currennt Of Mcb for 2hp motor...

3 Answers  

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why do star-delta connection ? why do not connect any circuit direct connection ?

1 Answers   IBM, Sri Biotech,

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is it possible to export & import power in a same transformer.how

2 Answers  

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why we need to us lenz's law for synchornous motor

0 Answers   Tata Elxsi,

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What conditions are required for transformer to operate at low frequencies ?

0 Answers  

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According to ohms law voltage proportional to current, then why should current rating is low with high voltage rating in transformer?

5 Answers   KEC,

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Why P.F(power factor)relay should not be connected to the D.G(diesel generator) incomer side

1 Answers   ABB, Corsa,

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Why a transformer Noise during its running condition ?

8 Answers   NTPC,

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in which material resister are made?

1 Answers  

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why synchronous motor has zero starting ?

8 Answers   NTPC,

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in 5 mva transformer 33/11 kv s/s what rating of capacitor bank is required & what is the fourmula for rating

6 Answers  

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which type of motor is suitable for water pump?

1 Answers   IIM,

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