A “75-watt” lightbulb uses an average power of 75 W when connected to an rms voltage of 120 V. (a) What is the resistance of thelightbulb? (b) What is the maximum current in the bulb? (c) Whatis the maximum power used by the bulb at any given instant oftime?

A “75-watt” lightbulb uses an average power of 75 W when connected to an rms voltage of 120 V. (a) What is the resistance of thelightbulb? (b) What is the maximum current in the bulb? (c) Whatis the maximum power used by the bulb at any given instant oftime?

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter21: Alternating-Current Circuits And Electromagnetic Waves

Section: Chapter Questions

Problem 1P: (a) What is the resistance of a light bulb that uses an average power of 75.0 W when connected to a...

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Question

A “75-watt” lightbulb uses an average power of 75 W when connected to an rms voltage of 120 V. (a) What is the resistance of the
lightbulb? (b) What is the maximum current in the bulb? (c) What
is the maximum power used by the bulb at any given instant of
time?

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