In the figure R₁ = 4.48 Q2, R₂ = 13.4 02, and the ideal battery has emf ε = 12.1 V. (a) What is the magnitude of current i₁? (b) How much energy is dissipated by all four resistors in 2.91 min? 4 8 R ww R₂ ww R₁ (a) Number i (b) Number R Units Units

In the figure R₁ = 4.48 Q2, R₂ = 13.4 02, and the ideal battery has emf ε = 12.1 V. (a) What is the magnitude of current i₁? (b) How much energy is dissipated by all four resistors in 2.91 min? 4 8 R ww R₂ ww R₁ (a) Number i (b) Number R Units Units

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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Concept explainers

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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.

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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

In the figure R₁ = 4.48 2, R₂ = 13.42, and the ideal battery has emf & = 12.1 V. (a) What is the magnitude of current i₁? (b) How much
energy is dissipated by all four resistors in 2.91 min?
Re
ww
(a) Number
(b) Number
www
R₁
R
Units
Units

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