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determine the cost of operating a 2 W electric clock for 365 days at three cents ($.03) per kilowatt hour. a. 8. $.1556 b. $.2565 C. $.4589 d. $.5256

determine the cost of operating a 2 W electric clock for 365 days at three cents ($.03) per kilowatt hour. a. 8. $.1556 b. $.2565 C. $.4589 d. $.5256

College Physics
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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8. Determine the cost of operating a 2 W electric clock for 365 days at three cents ($.03) per kilowatt nour. $.1556 b. $.2565 a. $.4589 d. $.5256 С. 9. connected in the secondary circuit (output) indicates 115 amps at 240 volts. Calculate the percent efficiency of the transformer. A transformer primary circuit (input) draws 12 amps when connected to a 2400 volt source. An ammeter is а. 85.8% b. 95.8% С. 98.5% d. 99.5%
Transcribed Image Text:8. Determine the cost of operating a 2 W electric clock for 365 days at three cents ($.03) per kilowatt nour. $.1556 b. $.2565 a. $.4589 d. $.5256 С. 9. connected in the secondary circuit (output) indicates 115 amps at 240 volts. Calculate the percent efficiency of the transformer. A transformer primary circuit (input) draws 12 amps when connected to a 2400 volt source. An ammeter is а. 85.8% b. 95.8% С. 98.5% d. 99.5%
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