In the diagram below, R1=30 Ω, R2=13 Ω, R3=40 Ω, and R4=30 Ω. At first, a segment with R4 is disconnected from the circuit and then it is connected as shown. Find the equivalent resistance before the R4 is attached:Req i = Ω.Find the current passing through the R3 resistor before the R4 is attached:Ii= A.Find the equivalent resistance after the R4 is attached:Req f = Ω.Find the current passing through the R3 resistor after the R4 is attached:If= A.Find the current passing through the R2 resistor after the R4 is attached:I2 f= A.

* The resistance R1, R2, and R3 are in series connection, so the effective resistance is

Answered: In the diagram below, R1=30 Ω, R2=13 Ω,…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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In the diagram below, R₁=30 Ω, R₂=13 Ω, R₃=40 Ω, and R₄=30 Ω. At first, a segment with R₄ is disconnected from the circuit and then it is connected as shown. Find the equivalent resistance before the R₄ is attached:

R_{eq i} =  Ω.

Find the current passing through the R₃ resistor before the R₄ is attached:

I_i=  A.

Find the equivalent resistance after the R₄ is attached:

R_{eq f} =  Ω.

Find the current passing through the R₃ resistor after the R₄ is attached:

I_f=  A.

Find the current passing through the R₂ resistor after the R₄ is attached:

I_{2 f}=  A.

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