Answer / baljinder singh

in 1800 Alsendro Voltas find the voltage .

Answer / umang

DC voltages are first observed ......by the great thomas
alva edition...

Answer / shoebullah

question is wrong .. Its not AC
voltage or DC voltage its AC
CURRENT and DC current i.e
alternating current and DC is
direct current .... A.C invented
by my fav. NIKOLA TESLA and
DC invented by Thomas alva
edison

Answer / kedam .koteswar

n 1886 Frank Julian Sprague invented the first practical DC motor

how to calculate vfd o/p voltage by frequency

0 Answers   HCL, Orchid,

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what is the working and construction of generator

1 Answers  

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What are the protective devices in a DC/AC motor starter?

1 Answers   CTS,

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we have consol make 3 phase servo stabilizer for cnc m/c. while installing the earth neutral voltage is 1.7 volts at stbilizer off condition and when stabilizer get on en voltage reaches 4.8 volts (new earthing is done and neutral is helthy condition all phase to neutral volts 440,442,441 v)why this happen.solution for cause.

3 Answers  

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WHY IS wet surface used for grounding???

2 Answers  

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3ph motor running with unequal kw and different pf what are the reasons

0 Answers   UltraTech,

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Explain bypass capacitor?

0 Answers  

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why transmission voltage is 230kv and not 220kv which is a multiple of 11

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what is the id1 & id2 setting in differential protection relay of CSPC?

0 Answers   Wartsila,

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Why DC excitation is used for alternators? Why cant it be AC?

35 Answers   ABB, Ace Info, Alstom, Shalivahana Power,

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In APFC panel, Why on dealy timer is used in Capacitor controlling circuit?

1 Answers  

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Where all & Why resistance grounding is required?

1 Answers  

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