Part A A 100-W, 120-V lightbulb has a resistance of 12 SN when cold (20 °C) and 150 N when on (hot). Calculate its power consumption at the instant it is turned on. Express your answer using two significant figures. ? P= (\rm W} Submit Reguest Answer Part B Calculate its power consumption after a few moments when it is hot. Express your answer using two significant figures. P = W Submit Request Answer
Part A A 100-W, 120-V lightbulb has a resistance of 12 SN when cold (20 °C) and 150 N when on (hot). Calculate its power consumption at the instant it is turned on. Express your answer using two significant figures. ? P= (\rm W} Submit Reguest Answer Part B Calculate its power consumption after a few moments when it is hot. Express your answer using two significant figures. P = W Submit Request Answer
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter17: Current And Resistance
Section: Chapter Questions
Problem 41P: Lightbulb A is marked 25.0 W 120. V, and lightbulb B is marked 100. W 120. V. These labels mean that...
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