Answer / dev

nuteral is for completing the ckt and earthing wire is for
electrical equipment safety neutral wure cant protect
equipment similarly grounding for unbalanced current safety
for human mainly works on principal of rccb and elcb

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?

0 Answers   Sterling Wilson,

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why is efficiency of transformer more than that of other rotating machines?

1 Answers  

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what is the meaning of the symbol << >> put in transformer drawing

0 Answers   TATA,

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what is the difference between inductive load and capacitive load?give me some examples in general

3 Answers  

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What is the difference between amorphous core transformer and CRGO core transformer?.

0 Answers   DAE,

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Application of DC motors is generally restricted to a few load speed applications because of _____.

0 Answers  

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When steam condenses and becomes water at the same temperature, the specific heat for the process in kJ/kg k is

0 Answers   Caterpillar,

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what is meant by surge? what we called for high currents?

0 Answers  

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how does a liquid starter reduce the starting currents?

0 Answers  

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How many points does a Circuit can have?

0 Answers  

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low voltage means how much voltage? extra low voltage means how much voltage? medium voltage means hos much voltage? high voltage means how much voltage? Ex: low voltage - 1volt to 240volt like this

3 Answers  

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how to increase or decrease speed in DC shunt motor by DC convertor

0 Answers  

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