Q. calculate the value of the resistor to be connected in series with a 100W; 230V lamp so that the wattage of the lamp is reduced to 35W

8 Answers  

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In AC if the direction of current keeps reversing every half cycle, how does it propogate through the transmission lines?

0 Answers  

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WHY AIR COMPRESOR IS STARTED UNLOADED

3 Answers  

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Where is the center of magnetic field in alternator

1 Answers   GMR, Siemens,

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What is PF? Formula for calculating PF in HT side?

10 Answers   HSL,

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make control wire diagram of start and stop a function with a single push button

1 Answers   Sona,

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What is the minimum insulation value required for a cable between phase to phase and phase to earth of 380 Vac 50Hz circuit, having load arround 800 amps.

2 Answers   DEWA, TATA,

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HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT-SWITCH BOARD,MLDB,ACB,BUSBAR,ETC,......?

0 Answers  

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What will happened if the neutral of secondary of Xformer ( Star point) Note it's above KVA rated Xformer

0 Answers   Equate,

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what is meant by GD2 ?

1 Answers   Kirloskar,

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What is ac and dc drive.

1 Answers  

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how the inductor will work on dc supply?whether it will work or not?

11 Answers   NTPC,

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