1: Suppose you have 10 light bulbs each of 100 Watt at your home. All of them are used for 6 hours every day. If the billing rate is 9 cent per unit (kilowatt-hr), how much do you have to pay in a month for those 10 bulbs? 2: An energy saving light bulb is saying that it would glow like a 60 watt bulb but its actual power consumption is 25 watts. If this light is turned on for 5 hours a day, how much is the saving in a year (consider billing rate is 10 cent per kilowatt-hr)?
1: Suppose you have 10 light bulbs each of 100 Watt at your home. All of them are used for 6 hours every day. If the billing rate is 9 cent per unit (kilowatt-hr), how much do you have to pay in a month for those 10 bulbs? 2: An energy saving light bulb is saying that it would glow like a 60 watt bulb but its actual power consumption is 25 watts. If this light is turned on for 5 hours a day, how much is the saving in a year (consider billing rate is 10 cent per kilowatt-hr)?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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1: Suppose you have 10 light bulbs each of 100 Watt at your home. All of them are used for 6 hours every day. If the billing rate is 9 cent per unit (kilowatt-hr), how much do you have to pay in a month for those 10 bulbs?
2: An energy saving light bulb is saying that it would glow like a 60 watt bulb but its actual power consumption is 25 watts. If this light is turned on for 5 hours a day, how much is the saving in a year (consider billing rate is 10 cent per kilowatt-hr)?
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