Answer / usha

Phase has positive charge and earth containneutral charge.so to
bulbglows when it contain positive and negative charge .whenever
phase is positive automatically neutralbecomes negative so bu
Bulb glows

how we can varying the speed of dc motor ?

6 Answers  

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what are the ''pitting rings''and how cn they be controlled in a series generator

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How is a 100 MVA transformer cooled?

9 Answers  

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in our transmisison sub station why we step down firstly 132kv\33kv then 33kv to 11kv. can we direct step down 132kv to 11kv.

2 Answers  

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i have old tape recorder speakers(analog).nw i want to use it for my computer system.can i use it to my computer systeno m by using digital to analog converter??? what changes should i do in the system????

0 Answers  

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How to Calculate the maximum Demand required for a connected load for a manufacturing Plant

6 Answers  

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what is means of CLASS in current transformer name plate?

3 Answers  

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What is current chopping in CB?

1 Answers  

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Unit of Magnetic Flux Density a) Tesla b) weber c) Hendry d) Farad

3 Answers   Ecil,

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Which oil is used in Transformer?

6 Answers  

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A 6.6 KV motor breaker is try to Drack OUT by me while the motor running. What will Happened? a, will Trip. b,Drack Out lever will not access c, will get shock d, noting will happened

4 Answers  

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Why the power factor of the alternator in power plant is kept .8 lagging. Can't we maintain it at 1.

3 Answers  

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