what is upper impedance and lower impedance of a distance relay
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why the earth pin is thicker than other pins in a plug? If it is for reducing resistance, then why the copper earth wire is not so thick as earth pin of socket?
3) How earthing is done? How it measured? Write the method for earthing? How the earth resistance is kept low?
What is potientometer.How it is useful in a sychronoscope.
What is time invariant system?
What should be the voltage between neutral and earth of a UPS?
what is meant by unity power factor?unity means one why dont call 2,3,4......?
What does Bode plot tell you?
What is creepage distance..... what will be the value for different voltage level
how to define tell me about self
expansion of rccb
transformer is working or not with supply of DC?
Can we pass 11kv power in 1.1kV voltage grade cable.If not why?.