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Answered 2015-09-23 09:55:22
First let us convert the power of the bulb into kilowatts.
A kilowatt is 1000 watts. We have one tenth of that. So 100W = 0.1kW
To work out the kilowatt hours we simply multiply the power in kilowatts by the time the bulb is on for (in hours):
0.1kW x 10h = 1 kWh
a 100 watt bulb uses 100 watts of power. In ten hours it uses 100x10 watt-hours, or 1 kilowatt-hour. A kilowatt-hour is also called a unit, and units are what you pay for.
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Related Questions
The average life span of a light bulb being on 8 hours a day is 2000 hours.
Takes 300 hours for the average light bulb to burn out
A 100 Watt light bulb from Nella Park should give you about 2000 hours -- if they still make them. A 100 Watt light bulb from overseas, I rather not say.
Thomas Edison crowns 14 months of testing with an incandescent electric light bulb that lasts 13½ hours
A light bulb consumes watt-hours per day. How many watt-hours does it consume in days and hours?
In ten hours, a 200W bulb will use: 10 * 200 = 2000 Watt-hours = 2 kwh
A 30-watt bulb uses 0.03 kilowatt-hours every hour, or 30 kilowatt-hours in 1000 hours. To find the kilowatt-hours, multiply 0.03 by the time in hours.
Convert the 100 watts to kilowatts. Calculate the total time in hours, and multiply by the number of kilowatts that the light bulb uses.
A 250 watt light bulb takes 250 watts of power. The energy it uses (that you pay for) is measured in watt-hours or kilowatt-hours. A 250-watt bulb running for 4 hours uses 1 kilowatt-hour.
0.6 kW times 18 hours = 10.8 kWh.
led bulb lasts for more than 24 hours if they glow continuously but if we use the periodically(from some time to time ) they lasts long for many years
their are 8 parts to the light bulb
Well it depends on what light bulb it is :)
100 x 24 watt-hours, which is 2.4 kilowatt-hours.
1 megawatt = 1 million watts = 1000 kilowatts. So 1 megawatt for 1000 hours will give 1 million kilowatthours. More megawatts will give the same kilowatthours in a shorter time period.Don't forget- watts, kilowatts, megawatts are rates of energy, kilowatthours are quantities of energy. A quantity is given by a rate x a time period.
It depends what light bulb, although for a regular light bulb it takes about 2-3.
argon is unreactive and replaces the oxygen
It depends how big the light bulb is to be honest
it depends,the flourecent kind hols 60 watts,lumens has 120 and they last for 10,000 hours.
No, there are many instances where a light bulb is never turned off. It is not a good principle to get into as the watt meter keeps turning and money is being spent to keep it on in daylight hours.
You wouldn't use a potato to screw in a light bulb... if the glass in the light bulb breaks as you're removing it, you can use a potato to take the light bulb out.
Because Allah caused the light bulb to go out; only Allah knows how many Muslins it takes to screw in a light bulb.
It takes at least 4 lemons to light a small light bulb.
that depends on how high up the light bulb is
a normal light bulb is about sixty watts. if the light bulb is being fed a certain amount of bolts the watts can increase.
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