any body know about lighting arrestor.
how to determine the height of lighting rod from top of
bulding and how many area it cover.
which one has maximum efficiency autotransformer or transformer?? and why??
why any normal motor have to provide star & delta winding distribution during starting?
What is SMPS,How does it works?
Explain Continuous and Discrete signals?
what material used made for the resistance,for the purpose of zero temperature coefficient?
what is the cause of voltage dipp or swell in the transmission lines?
How does MCB operate without relay..?
iam interesting to design the control panel for 3 phase pump motors by controling single phase switches.iam plan to use fuse,contactor & relay for motor protection .how can i select the voltage & amps rating for fuse,contactor & relay plz guide me .if anybody clarify my doubt means it will more helpful for my future .
what is reactive power is it good or bad for a system
What is use of reactor..how it is help ful in electrical system .....brief explain
What is PEC??Applications........
When star connection of motor is use?
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