Answer / n panja

An electronic choke includes the functions of a starter and a magnetic choke which were used in older tube light (FLT). Moreover an electronic circuit is used to increase the supply frequency to minimize the flickering effect.

what is the earth resistance ?

5 Answers   Bhel, Cummins,

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what is the advantage of Cathodic eathing system and what is the basic principle and how itis working, please explain clearly .

2 Answers   Meinhardt,

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how the earthing point or earthing is taken for ships and airplanes?

1 Answers  

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how speed control of induction motor?

4 Answers   DVC,

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Describe kW and kva and difference between

4 Answers   BTM,

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hello if any one have papers vof hpcl or sail, plz send me

0 Answers  

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a 120 60 watt incandescent lamp has to be operated from 50 c/sec 1 phase ac supply. in order to do this a circuit element has to be connect in series with the lamp. which one of the following sries element is preferable.

1 Answers   SSC,

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UPS battery Back time = no.of Batteries * Ah of the Battery / output KVA * 130 ? what is the 130 means ? can any one help? because all are using this formula how its came 130?

2 Answers  

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why in generating station generation voltage is 11 kv

1 Answers   L&T, Usha Martin,

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what formula can be apply to calculate the No of rtrand of a cable. ?

1 Answers  

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how does an centrifugal and screw type chiller will work. which chiller efficiency is high and why.

0 Answers   Hyundai,

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60 watts bulb and resistor home heater is connected in series and 230v is given to the circuit. The heater is giving some amount of heat. If instant of 60 watts bulb replace 100 watts bulb what will be the output of the heater?

2 Answers   NPCIL,

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