6. Two lightbulbs operate at 120 V, but one has a power rating of 25 W while the other has a power rating of 100 W. Which one has the greater resistance?
6. Two lightbulbs operate at 120 V, but one has a power rating of 25 W while the other has a power rating of 100 W. Which one has the greater resistance?
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 14CQ: The power dissipated in a resistor is given by P = V2/R, which means power decreases if resistance...
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Transcribed Image Text:6. Two lightbulbs operate at 120 V, but one has a power rating of 25 W while the other has a power
rating of 100 W. Which one has the greater resistance?
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