n the figure circuit section AB absorbs energy at a rate of 47 W when current i = 0.88 A through it is in the indicated direction. Resistance R = 2.0 Q. (a) What is the potential 'difference between A and B? Emf device X lacks internal resistance. (b) What is its emf? (a) Number Units (b) Number Units

n the figure circuit section AB absorbs energy at a rate of 47 W when current i = 0.88 A through it is in the indicated direction. Resistance R = 2.0 Q. (a) What is the potential 'difference between A and B? Emf device X lacks internal resistance. (b) What is its emf? (a) Number Units (b) Number Units

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter10: Direct-current Circuits

Section: Chapter Questions

Problem 45P: A child's electronic toy is supplied by three 1.58-V alkaline cells having internal resistances of...

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