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What is the resistance of a 0.100-kW light bulb designed to be used in a 120-V circuit dC?

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 72PE: (a) What is the hot resistance of a 25-W light bulb that runs on 120-V AC? (b) If the bulb’s...

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Question

What is the resistance of a 0.100-kW light bulb designed to be used in a 120-V circuit dC?

Select one:

a. 144 Ω

b. 1.2 Ω

c. 0.83 Ω

d. 12.0 Ω

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