What is the exact load current needed for a place which has
100nos of bulb of each 100w?

Answer Posted / karthik

for single phase, P=VIcos0.
When P=100W, Icos0=P/V.
Icos0=100/230.
for 100 nos, Icos0=100*100/230
=43.48A
if cos0=0.9, I=48.3A

Is This Answer Correct ?    11 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what are inductive and capacitive voltage transformers.what are their applications

1507


What is oscillator circuit?

684


what is the necessary of using inductance property in transmission lines even through resistance is used to opposes the high current flows in that?????

1441


oltc of a transformer, how it works? and what are the equipment consist of describe briefly?

1571


how to remover corona effect and hysteresis losses from contactor

1569






1.what is meaning of curve into a mcb. 2.what is basic reason changing of curve

1548


how to choose cable size with respect to load? how to convert cable size in mm2 to sq.mm?

4842


Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC

1177


HOW CAN I GET 5CORE HO7 CABLE SIZE IF I HAVE 1800A?

1626


What is the one main difference between ups & inverter ? And electrical engineering & electronics engineering ?

666


What are the advantages and disadvantages of negative feed back?

645


Role of active and reactive Power sharing in between two synchronized Generators, Droop Setting role ?

1282


How Calculet The UPS AH In Load

1235


give single line diagram of D.G distribution form alternator to main L.T panel?

7039


How to decide CT & PT ratings for a given transmission line carrying some rated voltage?

1890