A light bulb with a resistance of 2200 ohms is connected to a 220 V power outlet. a. How much current is flowing through the light bulb? b. If the voltage remains constant, what will be the current if resistance is halved?

A light bulb with a resistance of 2200 ohms is connected to a 220 V power outlet. a. How much current is flowing through the light bulb? b. If the voltage remains constant, what will be the current if resistance is halved?

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter27: Current And Resistance

Section: Chapter Questions

Problem 27.14P: A lightbulb has a resistance of 240 when operating with a potential difference of 120 V' across it....

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Question

Determine the Given, Required and Solution

3. A light bulb with a resistance of 2200 ohms is connected to a 220 V power
outlet.
a. How much current is flowing through the light bulb?
b. If the voltage remains constant, what will be the current if resistance
is halved?

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