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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.
What else can I help you with?
How many kilowatt hours KWh are used to light a 30 watt light bulb in 8?
To calculate the kilowatt hours (kWh) used by a 30 watt light bulb in 8 hours, we first convert the power to kilowatts: 30 watts = 0.03 kilowatts. Then, multiply this by the time in hours: 0.03 kW * 8 hours = 0.24 kWh. So, 0.24 kWh are used to light a 30 watt light bulb in 8 hours.
How many hours of operation with a 60 watt light bulb will one kilowatt hour give you?
The idea is to divide the energy by the power used. First, convert the units to make them consistent. For example, you might convert kilowatt-hours to watt-hours.
How many kilwatt hours does a 600 watt light bulb use in 18 hours?
A 600 watt light bulb uses 0.6 kilowatts per hour. In 18 hours, it would use 10.8 kilowatt hours (0.6 kilowatts x 18 hours).
What is the cost to run a 15 watt neon light for 12 hours per day?
To calculate the cost of running a 15 watt neon light for 12 hours per day, you would multiply the wattage (15W) by the number of hours (12 hours) to get watt-hours per day (15W x 12 hours = 180 watt-hours per day). Next, divide the watt-hours per day by 1000 to convert to kilowatt-hours (180 watt-hours / 1000 = 0.18 kWh per day). Finally, multiply the kilowatt-hours per day by your electricity rate (in $/kWh) to find the daily cost of running the neon light.
How much does it cost to run a 1000 watt light bulb in 24 hours?
The cost to run a 1000 watt light bulb for 24 hours is dependent on your electricity rate. Assuming an average rate of $0.12 per kilowatt-hour, it would cost $12 to run the light for 24 hours (1000 watts = 1 kilowatt).
How many kilowatt hours KWh are used to light a 30 watt light bulb in 8?
To calculate the kilowatt hours (kWh) used by a 30 watt light bulb in 8 hours, we first convert the power to kilowatts: 30 watts = 0.03 kilowatts. Then, multiply this by the time in hours: 0.03 kW * 8 hours = 0.24 kWh. So, 0.24 kWh are used to light a 30 watt light bulb in 8 hours.
How many watt-hours are in 6 kilowatt-hours?
1 kilowatt = 1,000 watts 6 kilowatts = 6,000 watts 6 kilowatt-hours = 6,000 watt-hours
How many kilowatt-hours does a 50 watt fluorescent light bulb use in 24 hours?
50 watts is 0.05 kilowatts, so in 24 hours it uses 0.05 x 24 kilowatt-hours, or 1.2 kilowatt-hours of energy.
How many hours of operation with a 60 watt light bulb will one kilowatt hour give you?
The idea is to divide the energy by the power used. First, convert the units to make them consistent. For example, you might convert kilowatt-hours to watt-hours.
How much energy does a 100 watt light bulb use if it is left on all day?
A 100 watt light bulb uses 2.4 kilowatt-hours of energy if it is left on for 24 hours straight (100 watts x 24 hours = 2400 watt-hours = 2.4 kilowatt-hours).
Are kilo watt hours bad for energy?
No, kilowatt-hours are an exact measure of a quantity of energy. Energy is something that can be measured exactly and if you have an electricity supply at your house there is a meter that measures the kilowatt-hours you use. If you have a 40-watt light, it uses 40 watt-hours if it is on for an hour. If it is left on for 24 hours it uses 40 x 24 watt-hours, which is 0.96 kilowatt-hours, that might cost you 10-20 cents or pence.
If a 60 watt light bulb is used for 95 hours before it burns out what is the life of the light bulb in kilowatt hours?
This is a tricky question. Similar to the question which weigh more 1 kilogram wool or 1 kilogram iron? 1 kilowatt = 1,000 watt, and 60 watt are 0.06 kilowatt. It is the same power, but expressed in two different terms. The life of the light bulb will be the same, 95 hours.
How many kilowats for 600 watt light for 12 hours a day?
(600 watts) x (12 hours per day) = 7.2 kilowatt-hours per day
How much solar power does a 40 watt light bulb use?
two 40 watt bulbs in 24 hours use: 2*40*24 watt hours in practical uses, kilowatt hours are used divide by 1000 to change the units thus two 40 watt bulbs in 24 hours use 1.92 kilowatt hours
How many kilowatt hours does 4 100 watt light bulb use in 24 hours?
Add up all the individual watts, convert everything to kilowatts, then multiply by the number of hours.
How much does it cost to run a light bulb?
It depends on the bulb, how many watts it is. All bulbs are marked with the correct voltage and the power taken, in watts. You multiply the watts by the number of hours to find the watt-hours of energy used. Then divide by 1000 to find the kilowatt-hours. A kilowatt-hour is also called a unit and you pay about £0.15 for a unit of electricity. Let's say it's a 100 watt bulb running for 24 hours. That uses 2400 watt-hours or 2.4 kilowatt-hours, which costs about 2.4 x £0.15 which is £0.36.
What cost Rate of 07 per kilowatt hour120 V and 60 Watt 24 hours?
First find your watt hours and by moving the decimal place change to kilowatt hours. Then multiply that answer by .07 cents per kilowatt hour.
