(II) A battery with an emf of 12.0 V shows a terminal voltageof 11.8 V when operating in a circuit with two lightbulbs,each rated at 4.0 W (at 12.0 V), which are connected inparallel. What is the battery’s internal resistance?

(II) A battery with an emf of 12.0 V shows a terminal voltageof 11.8 V when operating in a circuit with two lightbulbs,each rated at 4.0 W (at 12.0 V), which are connected inparallel. What is the battery’s internal resistance?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 9.8CYU: Check Your Understanding The voltage supplied to your house varies as V( t )= V max sin( 2ft ) If a...

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(II) A battery with an emf of 12.0 V shows a terminal voltage
of 11.8 V when operating in a circuit with two lightbulbs,
each rated at 4.0 W (at 12.0 V), which are connected in
parallel. What is the battery’s internal resistance?

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