As the electric current in a light bulb is slowly increased, the filament glows more and more brightly. Why does it happen?

Question

anonymous · Answer

well, since as time increases ... the filament gets more hotter....:D
and as a result this thing happens

anonymous · Answer

and am not sure if it really goes more brigther or not..... but this is the most sensible reason that I could locate...

anonymous · Answer

@FATDOG ... go with this link..... hope it makes sense..:D http://www.thenakedscientists.com/forum/index.php?topic=43577.0

anonymous · Answer

great now im am confused as hell.

koikkara · Answer

Hai Sweet Friend, @FATDOG WeLcoMe to OpeN stuDy.. !!

Wondering what makes you confused with @Shizen answer, Please close this Question. 

Thank You ! Keep in touch with Open Study.. Bye !

koikkara · Answer

@wondering what confuses You, Can we know it ?

koikkara · Answer

@FATDOG In simple, more current = more resistance = more heat = more light.

anonymous · Answer

o well that makes sense!

anonymous · Answer

Thanks