According to the U.S. Department of Energy, typical humidifiers use 785 watts of electricity. Costs to run household appliances vary depending on a number of factors. Older appliances generally cost more to operate due to energy-efficient features added to later models.
Continue ReadingTo calculate how much a humidifier costs to run, multiply the wattage by the hours and days of operation, then divide by 1,000. Multiply this number by the cost per kilowatt hour the electric company charges to find the estimated total cost.
The total cost varies depending on region. According to the U.S. Energy Information Administration, some states such as Kentucky and Louisiana offer rates between 7.33 and 8.30 cents per kilowatt hour, while other states such as Alaska and Vermont see prices between 12.42 and 34.80 cents per kilowatt hour.
Learn more about ElectricityAccording to the National Severe Storm Laboratory, a single lightning bolt can have 100 million to 1 billion volts, and it contains billions of watts, depending on whether it is positive lightning or negative lightning. Lightning strikes ground in the United States approximately 25 million times each year.
Full Answer >The Watts formula, P=V x I, shows the relationship between volts, amps and watts. The "P" signifies power in watts, "V" denotes voltage in volts and "I" stands for the current in amps. This formula is used in electrical calculations and can be used in conjunction with Ohm's law.
Full Answer >A complete desktop computer setup, including speakers, a printer and an Internet modem, uses an average of 200 watts per hour; of this, the speakers use 20 watts an hour, the modem 10 watts and the printer 5 watts. Laptops, by comparison, use between 50 and 100 watts an hour.
Full Answer >A high-pressure sodium street light can draw up to 1000 watts, and an incandescent light used in the 1900s needed 320 watts. Some LED street lights require only 73 watts and, according to the U. S. Department of Energy, produce a higher quality of light.
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