Ans 28.38 28.38 In contrast to Prob. 28.37, real resistors may not always obeyOhm's law. For example, the voltage drop may be nonlinear and thecircuit dynamics is described by a relationship such asdi+ Rdtwhere all other parameters are as defined in Prob. 28.37 and I is aknown reference current equal to 1. Solve for i as a function of timeunder the same conditions as specified in Prob. 28.37.28.8 Compound A diffuses through a 4-cm-long tube and reacts asit diffuses. The equation governing diffusion with reaction isd²AD-dxkA = 0At one end of the tube, there is a large source of A at a concentra-tion of 0.1 M. At the other end of the tube there is an adsorbentmaterial that quickly absorbs any A, making the concentration 0 M.If D = 1.5 x 10 “ cm³/s and k= 5 × 10°s', what is the concen-tration of A as a function of distance in the tube?Use Euler, Heun, 2 order RK methods.28.43 The rate of heat flow (conduction) between two points on acylinder heated at one end is given bydQdTdtdxwhere A = a constant, A = the cylinder's cross-sectional area,Q = heat flow, T = temperature, † = time, and x = distance fromthe heated end. Because the equation involves two derivatives, wewill simplify this equation by lettingdT 100(L – x)(20 – 1)dx100 - xtwhere L is the length of the rod. Combine the two equations andcompute the heat flow for t = 0 to 25 s. The initial condition isQ(0) = 0 and the parameters are A = 0.5 cal · cm/s, A = 12 cm²,L = 20 cm, and x= 2.5 cm. Plot your results.Use Euler, Heun, 2nd order RK methods.

As per Bartleby guidelines I can not give answer of more than one question given here.

28.38 In contrast to Prob. 28.37, real resistors may not always obey Ohm's law. For example, the voltage drop may be nonlinear and the circuit dynamics is described by a relationship such as di L + R dt where all other parameters are as defined in Prob. 28.37 and I is a known reference current equal to 1. Solve for i as a function of time under the same conditions as specified in Prob. 28.37.

28.38 In contrast to Prob. 28.37, real resistors may not always obey Ohm's law. For example, the voltage drop may be nonlinear and the circuit dynamics is described by a relationship such as di L + R dt where all other parameters are as defined in Prob. 28.37 and I is a known reference current equal to 1. Solve for i as a function of time under the same conditions as specified in Prob. 28.37.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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