what is the function of Choke?

Answer Posted / subash nayak

choke is a high inductive device and does not allowed sudden
change of current , if it happens then a high voltage
induced as per the equation- V= L di/dt. Starter helps to
break the circuit as initially current flows , from supply
to choke,tube light one coil, starter, tube light other coil
then back to supply. when starter opens the circuit the
induced voltage across the tube light is sufficient to
ionise the fluorescent material inside the tube light and
the current path made through it. and tube light glows.

Is This Answer Correct ?    23 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

although ckt breakers have taken the place of old fuse. But instead of it , these older ones are still used in the industries and homes ? why .... what are their advantages and disadvantages ? which one is leading and winning the race and competition ?

1620


Ratings of power transformer,Distribution transformer.

1206


please send me previose rrb junior engineer qustion papers

1759


how to carry out Magnetizing Current Test on Distribution transformer and what purpose we are doing this test. why transformer rating in always in KVA ? what ispositive, negative, zero sequence impedence? How ElCB tripping if Neutral touch with ground Why AC & DC capacitor are use in UPS ? why motor rating in KW? how to syncronize two dg sets

1814


What is highest size of HT motor like 11 kv or 33 kv,and how to make it 750 rpm.i think the size will be very big.any idea ? pl. reply..

1584






Why 15Amp. MCB is suitable to carry load of 1.5Ton Ac please Explain?

1726


limitation of conductor height on ground when we consider EMC

1607


i want to learn control schedule for 11kv panel? can any one send the detailed control schedule?

2027


What is the distance between body earthing and neutral earthing.?

4284


Usually in the L & T make MCC feeders' power circuit,we have BMR after the MAIN CONTACTOR.,can we interchange their position, keeping the control logic same???

1733


What is George phenomena to start the synchronus machine?

3731


he compression ratio for a petrol engine generally lies between

799


What is Tachometer used to measure?

816


Define non-touching loop.

925


What are the two major types of control system?

745