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

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter20: Electric Current, Resistance, And Ohm's Law

Section: Chapter Questions

Problem 67PE: Integrated Concepts (a) An immersion heater utilizing 120 V can raise the temperature of a 1.00 102...

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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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