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There is no such thing as 'power consumption', so a lamp cannot consume any kilowatts over any period of time.
It is energy that is consumed; power is simply the rate at which energy is consumed. Energy consumption is measured in joules or, by electricity companies, in kilowatt hours (not kilowatts per hour!).
So, a 1000-W lamp will consume 1 kW.h over the period of one hour.
You can think of 'power' being equivalent to speed (kilometres per hour) and 'energy' being equivalent to distance travelled (kilometres). You would never ask, "How far can a car travel in kilometres per hour'.
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MaxineSince an incandescent bulb is a resistive load, with a power factor of 1.0, a 1000 watt (1 KW) bulb will pull 1000 volt-amps (1 KVA).
KVA is related to KW by power factor (PF) with the equation...
KW = (PF)(KVA)
...where PF is the cosine of the phase angle between voltage and current. Again, for the bulb, PF is 1.0. For a typical motor, which is an inductive load, PF ranges in value, with one typical value being 0.92, corresponding to a phase angle of -23 degrees.
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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 kilowatt hours does a 25 watt fluorescent light bulb use in 24 hours?
25*24/1000 or: first convert wattage to kilowatts (25/1000) = .025 Kw then multiply by hours 24hrs X .025Kw = 0.6 Kwh about 6 cents/day see what wattage on your TV is.
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).
How much does it cost to run a 1000 watt light bulb in 12 hours?
To calculate the cost of running a 1000 watt light bulb for 12 hours, first convert the wattage to kilowatts (1000 watts = 1 kilowatt). Then, multiply the kilowatts (1) by the hours (12) to get 12 kilowatt-hours (kWh). Finally, multiply the kWh by the cost of electricity per kWh in your area to find the total cost.
How much does it cost me to burn a 25 watt light bulb for 24 hours a cost of 0.085156 per kwh?
To calculate the cost, you need to first convert the wattage to kilowatts by dividing 25 watts by 1000 (since 1 kilowatt = 1000 watts), which equals 0.025 kW. Next, multiply the kilowatts (0.025 kW) by the number of hours the light bulb is on (24 hours) to get 0.6 kWh. Finally, multiply this by the cost per kWh ($0.085156) to get the total cost, which is approximately $0.0511.
