What is NGR . What is the purpose of 10 sec ,60 sec rating of NGR.

0 Answers   KOTC,

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A cylindrical wire is compressed in length by 10%. The percentage decrease in the resistance will be?????

0 Answers  

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why can't we increase the voltage by increasing the field voltage in order to get higher voltage.so that we can eliminate step up transformer

4 Answers   Bhel,

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how to select the power contactor in Diffrent AC motors.

6 Answers   Titan,

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What is difference between ball screw and lead screw.

2 Answers  

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what is the difference between megger and earth resister ??

0 Answers   HMPL,

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Why R ph of Hv and Lv is shorted or joined together while taking vector group?

1 Answers   IOCL,

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what happens in a genarator when rotor supplied with ac instead of dc

3 Answers  

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what is the highest transmission voltage in India till now?

36 Answers   Bhel, Electrical,

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Generally in d.c. circuits the direction of current is from possitive to negative.In a.c.circuits what is the direction fo current flow

4 Answers  

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RATING OF LIGHTENING ARRESTER FOR 11 KV LINE IS 9 KV is ok ,but haw to calculate the KA rating?

0 Answers  

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what is mean by parallel operation of permanent magnet generators

0 Answers   PSD,

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