a bulb of 100W and anather bulb of 200W , rated supply
voltage 230v.when supply voltage is reduced to 100v,which
bulb will give more light? and why with calculation?

Answer Posted / sibtain

the brightness of the bulb is depend on its resistance.its
totally wrong to say that bulb will fuse.in our life when
electricity is dim are you ever seen that bulb will burn? no

Is This Answer Correct ?    3 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is the meaning of vcc

1887


Do Phase angle measurement have any application in freq/harmonics measurement? If so how?

1451


a 100mva,400/200v transformer has leakage impdce of 10% draws a steady state line currentof---------------

1446


draw singleline diagram of star to delta and dol starters

1776


What are the major reasons for balancing hydro-thermal mix?

676






.php|

1712


An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The rotor reactance at stand still is A 2 ohm B 1.25 ohm C 3.15 ohm D 2.25 ohm

1745


For electrical designers what are the standard should know? i want learn about this standards. how to get information/reference. anybody help in this regards please.

1643


why ct's&pt'S out put called as burden,why compelsary short ckt the secondary of ct's while removing the burden?

1518


How to calculate wire length,size & current? ( related to control panel)

1661


how is the incoming cable size calculated for a given current rating of a panel??

1424


How to design the NGR Resistance

1596


What does quality factor depend on in resonance?

645


What is the permissable nutral current of three phase system as per IS standards?

1518


sir vizag steel ka junior trainee ka paper kitne number ka ayega

1758