3. A 100 W incandescent light bulb operates at a potential difference of 85 V. A. What is the current in the bulb? B. What is the resistance of the bulb? C. If the bulb is replaced by a bulb with twice the resistance found in part b, what is its power rating when operated at the same potential?

3. A 100 W incandescent light bulb operates at a potential difference of 85 V. A. What is the current in the bulb? B. What is the resistance of the bulb? C. If the bulb is replaced by a bulb with twice the resistance found in part b, what is its power rating when operated at the same potential?

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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Question

3. A 100 W incandescent light bulb operates at a potential difference of 85 V.
A. What is the current in the bulb?
B. What is the resistance of the bulb?
C. If the bulb is replaced by a bulb with twice the resistance found in part b, what is its power rating
when operated at the same potential?

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