Answered: A string of 50 identical tree lights…

A string of 50 identical tree lights connected in series dissipates 100 W when connected to a 120 V power outlet. What is the equivalent resistance of the string? 126 O 100 O 144 12

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter29: Direct Current (dc) Circuits

Section: Chapter Questions

Problem 19PQ

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Ohm's law

Ohm’s law is a prominent concept in physics and electronics. It gives the relation between the current and the voltage. It is used to analyze and construct electrical circuits. Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it.

Path of Least Resistance

In a series of alternate pathways, the direction of least resistance is the actual or metaphorical route that offers the least resistance to forwarding motion by a given individual or body.

Question

A string of 50 identical tree lights connected in series dissipates 100 W when
connected to a 120 V power outlet. What is the equivalent resistance of the
string?
126
O 100
O 144
O 12

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