The cord from an appliance is too short to reach the wall outlet in your room. You have two extension cords to choose from. (a) Find the voltage drop in the first extension cord having a 0.0680 Ω resistance and through which 5.20 A is flowing. V (b) The second extension cord is cheaper and utilizes thinner wire. It has a resistance of 0.680 Ω and the current flowing through it is 5.20 A. By what amount does the voltage supplied to the appliance change when the first extension cord is replaced by the second? V

The cord from an appliance is too short to reach the wall outlet in your room. You have two extension cords to choose from. (a) Find the voltage drop in the first extension cord having a 0.0680 Ω resistance and through which 5.20 A is flowing. V (b) The second extension cord is cheaper and utilizes thinner wire. It has a resistance of 0.680 Ω and the current flowing through it is 5.20 A. By what amount does the voltage supplied to the appliance change when the first extension cord is replaced by the second? V

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter10: Direct-current Circuits

Section: Chapter Questions

Problem 25P: A 12.0-V emf automobile battery has a terminal voltage of 16.0 V when being charged by a current of...

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