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Answered 2009-10-07 05:20:22

You should not use a higher wattage bulb in a lamp that says 40 watts. The higher wattage could cause the lamp to catch fire due to the excess heat and could cause you serious electrical problems.

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You can use a lower wattage bulb on a higher wattage fixture provided the voltage rating is the same and the bulb base is the same.


Depends on wattage of each bulb. Multiply the wattage of a bulb by 100. Guess is between 1 and 3 watts per bulb.


It is the rated load that is applied to the circuit that the bulb is in. In laymen's terms, it is bulb brightness. The higher the wattage the brighter the bulb will glow.


the bulb is usually 30 or 40 watts


A C7 bulb is typically very low wattage, sort of like the older style Christmas tree bulb. The wattage can vary, but usually in the range of 1 to 7 watts.


A higher wattage HPS bulb may work with a ballast that is rated for a lower wattage bulb , but may appear to be dim and will not produce the rated light output. It is best to match ballast and bulb accordingly.


The fixture recommended wattage is a maximum limit. Using a smaller wattage bulb is fine.


This depends on the wattage of each bulb. If each bulb is, say, 100 watts, you can power ten thousand bulbs. To calculate for your own bulbs, divide 1,000,000 watts by the wattage of each bulb.


Energy use is measured in watts. The watts used by a light bulb is on the package or the bulb. Find bulbs with the same wattage but different physical sizes if you want to prove this.


The number of watts (= energy per second) consumed by the bulb when lit.


Incandescent bulbs are rated by wattage. If you look on the top of the bulb it tells you the wattage it uses. If the bulb is a 50watt bulb then 50watts, if a 75watt the 75watts and so on.


The power of light bulbs are measured in wattage (watts) and/or lumens.


The wattage of each bulb will be printed on the end of the glass globe. Also there you will find the operating voltage of the bulb.


Find out the wattage and voltage of the bulb. Divide the watts by the volts, that gives the amps.


The higher the wattage the more you pay for power. So it costs more to operate a 120 watt bulb than it does a 100 or 40 watt bulb.


The watts because if you put a bulb that is in to much higher wattage than the one that you are chagning then it can cause too many problems and you can have a big piwer outage in you home


Usually a CFL has two ratings. The first is wattage and the second is in mA I suspect the wattage is only the wattage of the bulb itself and the second is the actual current draw of both the light bulb and the ballast. They are not compatible. If you figure the mA and multiply times the voltage you will obtain close to the actual wattage of the combination of the bulb and the ballast. I have a 100 watt Feit BPESL25T which indicates it draws 25 Watts when it actually draws 47.5 Watts. Very close to the mA (400 x 120 VAC =48 Watts) indicated on the base. Almost all CFLs I've tested with my very accurate Fluke RMS meter draw twice the wattage they indicate. Not such a good deal.


It uses more power (watts) than before, it produces more heat, and also more light.


The wattage rating of a light bulb is a measure of how much power is dissipated to create the light and heat that radiates from the bulb. Higher wattage means more power is used and that means more energy is radiated as light and heat.


Halogens are about 30% more efficient so 300 watts incandescent is equivalent to about 210 watts halogen. It's also equivalent in brightness to about 60 watts CFL.


Practically its 15 watts. One can see the power ratings on the bulb package also.


There is no answer! It depends on the design of the bulb. You can have a 15 watt bulb that is 120 volts or one that is 6 volts. Watts is a measure of power. Volts times amps equals watts. At any given wattage, the higher the voltage is, the lower the amps and viceverca.


The label 60 watts bulb max is referring to each individual bulb, not the total in the light fixture.


A high wattage light bulb heat up faster then a lower power light bulb, Also since a low watt light bulb is producing less heat then a high wattage light bulb. More heat, faster the water will evaporate.


Depends on the wattage of the bulb. Formula is Power (watts) = Voltage * Current (A). Therefore for a 55w bulb, in a 12V car, bulb draws 4.6Amps.



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