A 220V light bulb takes 0.45A current and operates 12H in a day. At the rate of Php 4.50 per kWh, determine the cost to operate the bulb for 30 days. [1]
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![A 220V light bulb takes 0.45A current and operates 12H
in a day. At the rate of Php 4.50 per kWh, determine the
cost to operate the bulb for 30 days.
[1]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F55bf8002-9013-4482-b44e-46d0ce6cbe62%2Fed81debb-64a4-462c-a086-0e0f8f46a653%2F5jtaggm_processed.jpeg&w=3840&q=75)
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- A 220V light bulb takes 0.45A current and operates 12H in a day. At the rate of Php 4.50 per kWh, determine the cost to operate the bulb for 30 days.A certain appliance draws 22 A across 25 V power source, how much will a spend if I use it for 8 hours, if the cost per kWh is Php 8.50?). A laptop computer consumes an average power of 20 W. The rechargeable battery has a voltage of 12 V and capacity of 5800 mAh. How long can the laptop run on a single battery charge?
- A 60 MW thermal station has overall efficiency of 30%. If coal for the station has an energy of 6950 kcal per kg, calculate coal usage per kWhA gas furnace is used to provide space heating at an efficiency level of 82%. The gas is sold at $1.45 per therm. Question: How much money is needed if 1049.7 MBH is demanded? Hint: 1 MBH equals 1,000 btuhA utility company charges 8.2 cents/kWh. If a consumer operates a 60 W bulb continuously for 1 day, then how much the consumer will be charged?
- A) Assume that electricity is supplied at a price of 100Bz per unit. Calculate the electricity bill in a month of 30 days for a house having the following electrical appliances with their average daily use: 1. One vacuum cleaner of 350W working for 30 minutes a day. 2. One refrigerator of 300W working for 24 hours a day. 3. 5 tube lights each of 30W and work for 4 hours a day.1000W electric heater with 85% of efficiency is replaced by a 1000W electric heater with 95% efficiency. if heater is operated in a 8-hour shift for 5 days a week, what is the annual kwh savings?A 60 MW steam power station has a thermal efficiency of 30%. If the coal burnt has acalorific value of 6950 kcal/kg, calculate:the coal consumption per day
- Simplify the circuit that supplies the 6 kohm load and then calculate the power absorbed by it.Utility Electric Cost= Divide the yearly kWh by 12 to obtain the monthly kWh amount. Assume $0.20 per kWh utility cost and multiply it to obtain the amount. Use previous formulas to determine the cost ($.20/kWh) of each of these appliances of devices over a given period. 1. You take out a bagel and place it in the toaster for 5 minutes. The toaster uses 1050 watts/hour.The cost of running a 5000W oven is $141 per year and at the rate of 11.3 cents/kwh, Calculate the total electrical energy consumed by the oven every year Calculate the time for which the oven is operated every day.