Answer / hari singh

to control input and output .

Answer / pratap

To control the output (or) to get the desired output.

Answer / n.bharat mohan

control systems are mainly designed to make any variation in the output will be reflected in the input so as to obtain a desired output.for example in our daily life if a action is performed daily then the action when done at the starting day when compared to first day will be improved similarly we can observe in other days also (vehicle driving,cooking,reading etc)

and gate circuit diagram,amplifier circuit diagram

1 Answers   NHPC,

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if we have 380 KVA DG. how to calculate Power Factor. With detailed formula

1 Answers  

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4-Why we measure the insulation resistance of main core and frame in spite of that must be connected with ground before energize the transformer?

3 Answers  

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why HV test for cables?.why 0.7times?

1 Answers   Bosch, Prince Food Products,

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What is the purpose of stablization resistor in high impedance bus bar protection

1 Answers   Jindal,

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What should be the voltage between Neutral and Ground in secondary side of the step down transformer (230 V to 110 V) with no load condition?

4 Answers  

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why in some cases the receiving end voltage is higher than the sending end voltage in transmission line (called 'Ferranti effect') ????? whts the reason behind tht???

3 Answers  

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a power supply to be constructed from voltage cells is required to provide Max. 20A Current with a terminal voltage of 6v.Several voltage cells are available each of which has terminal voltage of 1.5V & each of which can supply a max current of 5A .the no of cells required will be ??

5 Answers  

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Main Differance between Primary Distribution & Secondary Distribution Of Electricity....?

1 Answers  

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Why using synchronising methed in DG's sets?

1 Answers   Juniper Networks,

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160 kw motor running use 2R* 150 SQ mm cable

0 Answers   ID,

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What do you mean by class of CTs and what is the meaning of cl 1.0, cl5P10, cl 10P10 CTs?

3 Answers  

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