In a particular city, electrical energy costs $0.13 per kilowatt-hour( Round your answers, in dollars. to at least two decimal places.) a. How much does it cost to operate an old-style incandescent 40.0-W light bulb continously for 24 hours? b. A modern LED light bulb that emits as much visible light as a 40.0-W incandescent only draws 4.50 W of power. How much does it cost to operate this bulb for 24 hours? c. A particular electric oven requires a potential difference of 220 V and draws of 22.0 A of current when operating. How much does it cost to operate the oven for 4.30 hours?
In a particular city, electrical energy costs $0.13 per kilowatt-hour( Round your answers, in dollars. to at least two decimal places.) a. How much does it cost to operate an old-style incandescent 40.0-W light bulb continously for 24 hours? b. A modern LED light bulb that emits as much visible light as a 40.0-W incandescent only draws 4.50 W of power. How much does it cost to operate this bulb for 24 hours? c. A particular electric oven requires a potential difference of 220 V and draws of 22.0 A of current when operating. How much does it cost to operate the oven for 4.30 hours?
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter20: Electric Current, Resistance, And Ohm's Law
Section: Chapter Questions
Problem 68PE: Integrated Concepts (a) What is the cost of heating a hot tub containing 1500 kg of water from...
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In a particular city, electrical energy costs $0.13 per kilowatt-hour( Round your answers, in dollars. to at least two decimal places.)
a. How much does it cost to operate an old-style incandescent 40.0-W light bulb continously for 24 hours?
b. A modern LED light bulb that emits as much visible light as a 40.0-W incandescent only draws 4.50 W of power. How much does it cost to operate this bulb for 24 hours?
c. A particular electric oven requires a potential difference of 220 V and draws of 22.0 A of current when operating. How much does it cost to operate the oven for 4.30 hours?
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