what is KA rating and how can we choose switchgears on applications
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In a d.c circuit, if current and resistance are known, power (P=I*I*R) can be determined. This relationship also applied to an a.c circuit. Comment the reason for this.
why do we generate only 3ph ac?is it possible to generate 4ph,5ph,....?
6 Answers Accenture, Bhel, Reliance,
where we use 1 phase & 3 phase supply ?what is major advantage using 3 phase over than single phase ?
a.)Ammeter and Voltmeter read rms value or avg. value ? b.)What are symmetrical and Unsymmetrical faults?
how to amps calculate from 1KVA?
The armature of shunt dc motor has 0.8ohm resistance and motor is to run on 120V circuit.If motor is suddenly thrown on circuit while armature at standstill then current drawn by motor will be??Also back emf in normal running is 110V
any body know about lighting arrestor. how to determine the height of lighting rod from top of bulding and how many area it cover.
What is the diffrence (Technical & Construction ) between CBCT & Normal CT?
full form of electrical?
If induction motor load is incresed motor speed decrases.But in syncronous motor load incrases speed canstant why?
why on delay timer used for fully automatic star delta starter?
3phase 4 wire system is more reliable or 3 phase 3 wire systems?
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