13. A 60-W light bulb operates on an effective ac voltage of 110 V. a. What is the effective current through the light bulb? b. What is the resistance of the light bulb?
13. A 60-W light bulb operates on an effective ac voltage of 110 V. a. What is the effective current through the light bulb? b. What is the resistance of the light bulb?
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter17: Current And Resistance
Section: Chapter Questions
Problem 6CQ: Two lightbulbs are each connected to a voltage of 120 V. One has a power of 25 W, the other 100 W....
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Question
13. A 60-W light bulb operates on an effective ac
voltage of 110 V.
a. What is the effective current through the light
bulb?
b. What is the resistance of the light bulb?
Expert Solution
Step 1
Electric Power is product of potential and current .
So Current though light bulb is given by
Given :
Plugging given values we get current throgh light bulb
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