In the figure R₁ = 7.810, R₂ = 23.402, and the ideal battery has emf ε = 13.1 V. (a) What is the magnitude of current i₁? (b) How much energy is dissipated by all four resistors in 2.44 min? + & R9 i₁ R₂₂ mi R₁ ww (a) Number i (b) Number i R₂ Units Units < <

In the figure R₁ = 7.810, R₂ = 23.402, and the ideal battery has emf ε = 13.1 V. (a) What is the magnitude of current i₁? (b) How much energy is dissipated by all four resistors in 2.44 min? + & R9 i₁ R₂₂ mi R₁ ww (a) Number i (b) Number i R₂ Units Units < <

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 19P

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Concept explainers

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

In the figure R₁ = 7.810, R₂ = 23.402, and the ideal battery has emf ε = 13.1 V. (a) What is the magnitude of current i₁? (b) How much
energy is dissipated by all four resistors in 2.44 min?
+
&
R9
ij
R₂₂
mi
R₁
ww
(a) Number i
(b) Number i
R₂
Units
Units
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