flurescent bulb rating is to 230v,50HZ.now flurescent
connected 230v,25HZ.whether nreduced frequency will affect
the glowing properties of flurescent.

Answer Posted / s.arul

yes, surely affected the glowing.
flurescent lamp in 50hz supply 20milli second one time
reached in zero position in sine wave (that time light not
glowing) that time is very less. in 25hz supply 40ms one
time reached in zero position that time light not full
brightness compared to 50hz supply.

Is This Answer Correct ?    1 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

placement paper samples of mspl company

1514


explain different losses in a transformer.

649


what the principle of sincroscope?how it works?when it needed?

1763


what is a reactive power? what is the relation with power factor?

1639


What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?

1538






how technical is calculated in 11kv line and lt line

1462


what is meant by 2 within a star in a voltmeter dial?

1513


In a tap changing transformer where is the tap connected, is it connected in the primary side or secondary side?

712


SIR, GIVE ME OPGW SAG CALCULATION FORMULA I AM DAE ELECTRICAL. THANKS

5963


What is the effect of interchanging core(made of steel) and winding(made of copper) material in case of transformer? Give proper explanation in regard to different losses in transformer.

1427


What happen in ups if phase reverse?

1679


Hi, This is Laila. I am selected for syndicate bank interview. Could you please share your views and the questions asked if you have faced the interview My email id is laila_honey09@yahoo.com Please send as fast as u can.Thank You Thanks... Laila.

1633


how to find out cable size if load is 2800 watts, 230 volts AC supply and load distance is 1800 meters

1091


How is the percentage impedence of a transformer fixed at design stage???

1499


what is th basic difference between a d latch time line and a d flip flop time line???

1469