Answer Posted / arun kumar

Birds seating in HT line does not get shock because circiut
doesnot complete .If man hangs in the single line also he
wont get th shock beacuse ther is no complete path for
current to flow .but if Man or Bird touches other line and
there would be closed circuit now and there shold be shock .

what is excitation/

2227

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How is the connection of the tap changer on the HV side been made?

2006

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The efficiency of a 100kva transformer is 0.98 at full load as well as half load , for this transformer what is the Copper loss at full load ?

2338

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Explain the propagation of harmonics in the network and influence of phase angle of harmonics.

1971

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to vary valtage from 0 - max a variac is necessary . so how to design for high power applications nearly about 200KW power

2072

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How do apply electrical 'c'license......pls advice

1717

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If ROC does not lies inside unit circle,then ? a) Fourier transform converges b) Z transform converges c) Hatly transform converges d) Colpit Transform converges.

2291

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what is feed back and what are feed back amplifiers?

1081

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33kv Rated output avilable in market (any where in india)

2081

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work of choke in florocent tube circuit ?

2141

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what is the relation between knowing of the distance between power transformer and the capacitor feeder in case of parallel operation

2009

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I am using submission of two ct in one and half scheme for 67/67N protection. Both CTs star point is grounded separately near ct box.Will two point ground give wrong tripping to 67/67N during fault or no matter.

2121

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if we look on phasor of the transformer vaoltage is 180 oppsite at primary and the secondary so to improve a power factor is secondary should kept negative to improve it primary side means is -.90 became +.90 at other side

1865

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define displacement & magnitude ?

1848

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STATE WORKING OF VACCUM CIRCUIT BRAKER?

1927

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