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why the desirable efficiency for a motor is 60%, but in case of transformer, it is above 90%?
1 4196how to calculate Amp, 2 different Amp of batteries? Example: No. of Batteries = 2 Battery voltage = 12V 1st Battery rating = 17AH 2nd battery rating = 30AH between parallel connection then output volt 12v Amp?
2 5459For 6600/433 distribution transformer we apply secondary side 433 volts how much voltage in primary side.
2 5252whenewher three phase supply is given to induction motors revolving/rotating field is created & rotor rotates.When the three phase supply is given to three phase transformer then revolving,/rotating field is created or not? if not why?
1 3533how could we findout the lightning arrester failed or not in live circuit? Is there any instrument to measure the high voltage at the time of sky lighting?
1 4174Post New Electrical Engineering Questions
why magnet has north and south poles only why not east and west and why we are considering as north and south poles? why cant we consider as east and west?
If we have to find the inductance of a dc shunt motor then by giving dc supply or ac supply and what is the reason for it. (this example is from "to determine the transfer function of a dc shunt motor ")
What is rotating magnetic field?Discuss elaborately.
Why do we avoid electrical conduits in floors at apartments?
Draw a SLD of HT distribution EB grid up to users Transformer?
how much cable size required for 70 kilowatt load.
what is the working process of over & under voltage relay.
where lt & ht capacitor used
1.Z transform always lies around ? a) origin b) pole c) zero d) z=1. Multiples Mcqs which is bother me can’t find answers on internet. Some help required with little explanation . Note: this is not homework or related to any test. Thanks
How much kv gas generator is needed to run 2 hp and 1 hp airconditioners, plus a refrigerator and 4 Tvs
What are the difference between CT/PT operated Meter and RRAMR Meter for HT/LT application?
Dear all, I'm manikandan I have done by DIPLOMA EEE from 2011 , I have 5 years of experience from Power plant instrumentation field , which one field is give long life & which one field is best ,I confused a lot and also I'm studying AMIE, can I choose which department from Section B examination? pls tell me
what is rating boiler
difference bewteen reverse current and alternating current
How to calculate Air conditioning capacity for a telecom BTS shelter?
