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Diagram of the problem, necessary formulas, clearance and numerical solution. An electric light bulb is marked 40 W - 120 V. What is its resistance when it is lit from a 120 V source?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter18: Direct-Current Circuits

Section: Chapter Questions

Problem 11P: Consider the circuit shown in Figure P18.11. Find (a) the potential difference between points a and...

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An electric light bulb is marked 40 W - 120 V. What is its resistance when it is lit from a 120 V source?

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