Brief working principle of fluorcent tubelight,function of
starter & choke.

Answer Posted / thowsif_emerson

A fluorescent lamp or fluorescent tube is a gas-discharge
lamp that uses electricity to excite mercury vapor. The
excited mercury atoms produce short-wave ultraviolet light
that then causes a phosphor to fluoresce, producing visible
light.

Log on to http://en.wikipedia.org/wiki/Fluorescent_lamp

Is This Answer Correct ?    43 Yes 10 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

temp of cast resin 1500kva tx formerwent up to 138.c but came down very fast to about 100.c within 20 mins when load was reduced from 70% to 60%

1485


The height to which the liquid in a tank to be maintained for a certain constant velocity?

1519


what is difference between 2 pole structure and 4 pole structure in transformer yard

5218


what is the pulse and audio frequency transformer? what is different between induction regulators and tap changing transformer?

1637


please tell me, how i clear the objective test? when i studied form the one book after i solved the objective ,that time i solved that qes. but if i tried solve objective form the other book then i could not solved these que.

1231






What is the difference between resistance grounding system and resistance earthing system?

626


How can we select suitable capacity generator for three phase load (inductive load) and how to take study analysis in 3 three phase load system ?

1664


What OPGW is better than Microwave or PLCC???

3642


What is the mmf,rgt and ngt please brief completely

1155


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?

1411


Good day everyone,currently in our premise we using 30kw slip ring motor with resistance bank which we use as forward and reverse at conveyor bar handling. So,my question is how do we calculate the resistance bank which is suit the motor. Kindly,assist me... thank you

1266


Either the Armoured Earthing strip of HT 3 core cable have to pass through CB CT or not , why ???

1545


On a 3 winding transformer YNynd11, how do you apply REF protection to the Delta tertiary winding that is supplying auxiliaries to a substation?

3591


If I want to connect a capacitor bank on the HT side of a 11kV/415V, 3 phase delta-star distribution transformer to supply Reactive power to it..what practical specifications of a Capacitor bank that can i've??please reply..

2030


how to i get B licence,i am completed BE electircal and electronics engineering.i want to konw the proceduure to get b licence

1169