can we use 220 volt 15 w a.c. lamp on 220 volt d.c.

Answer Posted / pratheesh

We can say light is the result of heat produced in the
incanscent lamp filement.

So Heat produced= square of current* resistance of that
filament*time.

It is same in DC as well as in AC also(As it is pure
resistive load)

Is This Answer Correct ?    2 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the formula to calculate distribution transformer De-rating on iron losses basis

1346


How many devices can be connected in one zone of FACP

1785


What is Delta Connection? What is meant by Forward Delta & Reverse Delta & How Will be the Connection in Power Transformers?

1799


Is it required to lay 2 runs of GI wires along with armoured cables from one power DB Machines of higher rating?

1551


Can we use both Electrical & mechanical interlock between tow breakers? if yes how, please explain

963






can we conduct the swineburne's test on a dc series motor? why?

1625


Is it acceptable of installing an earth pit in planters area where bare copper cable, earth rod and connection are susceptible to corrosion due to water?

1466


What type of fittings and electrical accessories can be install in radiation area ?

1343


What is routh hurwitz stability criterion?

643


how net resistance islow in star connection and viseversa in delta connection...? if anybody could explain in detail it wud be helpful.

1119


What are the essential characteristics of signal flow graphs?

656


hai now i am working as a electrical design engineer in construction field can i get a job in oil and gass field or power plant project as a electrical design engineer?

1446


Approach of a cooling tower is the difference between temperatures of what factors?

611


can anybody send me syllabus of rrb section engg (electrical). and also send previous question pepar...

1556


I completed iti in2004 I was worked in A grade contractor can I get c licence

1248