define reactive power?

3 Answers   Alstom, TATA, TCS,

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In distribution transformers, fuse wires are very thin when compared to conductor size. How it's possible?

4 Answers  

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how to enter inverter parameter? without manaual?

0 Answers   Essar,

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A 230V, 60W bulb when connected to 230v supply what current and power will consume, if same bulb is connected to 200v what purrent and power will consume?

3 Answers  

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what happens when the phase and earth wires comes in contact? and why

2 Answers  

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how we can explain arc heatng?

0 Answers  

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How much pf maintan in dg set in 6o% load,when Dg runnig Neutaal Earthing removed what happen.

0 Answers  

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if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path)

0 Answers  

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what will happen if we double the input frequency of a transformer keeping the voltage constant?

6 Answers  

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what is the different between earth leakage relay and earth fault relay?

5 Answers   ME,

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please send me privious exam's queation papers of section engineer(electrical).

0 Answers   RRB,

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what is the necessity of under ground cables ??

0 Answers  

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