why there is 1 phase and 3 phase but not 2 phase and 4 phase?
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at what rate the micro controller increment its timer....is it 1micro seconds or 1/(12*10^6) seconds
I have 2 KW electric water heater.I am gonna use it in controlling water temp.so I needed to increase or decrease the heating capacity.is there any electrical-electronic circuit for varying the resistance & so current?
condition Autotrip facia come on control panel of electrical transmission line?
WHAT DO YOU MEAN THE DIFFERENT TYPE OF CURVES OF RELAY LIKE STANDARD INVERSE, VARY INVERSE, NORMAL INVERSE, LONG INVERSE ETC....
The power supplied to a 33microF capacitor from a 120V, 60Hz source will be
why we use copper earthing for neutral while for body GI.
What is class ab operation?
We normally make oil soak pits under Transformers. Oil from soak pit goes to collection pit. We provide granules/pebbles under transformers. My question is weather granules/ pebbles to be filled in soak pit or not? if yes upto what level?
Why does the speed regulating system adopting I controller have no steady-state error? In this single closed-loop speed regulating system, when the input of the I controller Un=0, what is the output voltage of the regulator? What factors do the output voltage depend on?
What is proportional controller?
what is the setting of locked rotor in HT motor ? (answer expecting in percentage)
what is the question paper model for section engineer in RRB
what curve and rateing would you use for a three phase 0.75kw motor?
How can i get my certificate of competency as an electrical supervisor? I have complicated my B.Tech from Uttarakhand technical university this year (2012).
What are electric motors?