Suppose you have a 2000 Watt water heater that is on for a total of 150 hours a month. How much will this cost you at a rate of 10 cents per kW*hr?
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Suppose you have a 2000 Watt water heater that is on for a total of 150 hours a month. How much will this cost you at a rate of 10 cents per kW*hr?
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- Every day a certain household uses a 3,3 kW electric stove for 72 minutes, six 6 hours each and miscellaneous appliances amounting to 1,6 kW h. The 3 kW hot w ninutes during the day. If electricity costs 35 c a kWhA 1.5 kW kettle is used 5 times a day for five minutes each time. What is the cost of running the kettle for a week, if the unit cost of electricity is 5.00/kWh? O P 22/week O P 187.50/week O P 262.5/week O P1,312.50/ weekA refrigerator using 1020 W runs one-third of the time. How much does the electricity cost to run the refrigerator each month (30 days) at 15¢ per kWh?
- A vacuum cleaner draws power at 1200 Watt. If you clean your once a week, 20 minutes for each session. How much does that cost you in 1 year? Assume that the electricity costs is 5 dollar per unit.A refrigerator using 1030 W runs two-thirds of the time. How much does the electricity cost to run the refrigerator each month (30 days) at 26¢ per kWh?The cost of electricity in Los Angeles is 5 cents per 1,000,000 joules. Suppose a small 2000-watt air conditioning unit is operated continuously for 3 hours. What is the cost (in dollars) of the total energy consumed?
- A 100 W electric bulb is used for 10 hours a day. How many units of energy are consumed in 30 days?A hair dryer is rated at 1850 W. Assuming there are 30 days in a month, what is the monthly cost of using the hair dryer for an average of 12 minutes every day if you are charged 20 cents for every kW-h? $ 222The people who live in suburbs use simultaneously: 2Hp aircon for 3 hrs. 900 watts toaster for 9 mins., a 1.50kW heater for 8 hrs., a 3.4kW broiler for 20 mins. a four 100 watts lamps for 5 hrs. If the total cost she has to pay is $2.50, What is the unit cost per Kw-hr?
- Suppose a heart defibrillator consumes 425 j of energy in 10.5 ms. What is the average power output of the defibrillator, in W? A hair dryer is rated at 1200 W. One average, it is used for 400 minutes every month. The rate for electrical energy is8.8¢/kWh. What is the cost of electrical energy necessary to run the hair dryer for a month?You and your housemate have an argument over the cost of the electric bill. You want to turn off the outside porch light before going to bed each night. Your housemate wishes to keep the light on from 6:00 PM each evening to 6:00 AM the next morning and says that this will not add any significant amount to the electric bill. If the porch light bulb is a 65 W bulb, how much will your housemate's plan contribute to the electric bill each month? Take the number of days in a month as 30 and the average cost of electricity is 12.9¢/kW · h. $