7.23 The switch in the circuit in Fig. P7.23 has been in theleft position for a long time. Att = 0 it moves to theright position and stays there.a) Write the expression for the capacitor voltage,v(t), for t≥ 0.b) Write the expression for the current through the40 k resistor, i(t), for t≥ 0+.Figure P7.23120 V5 ΚΩw40 ΚΩwi+10 ΚΩ Σνt=0160 nF325 ΚΩ10 ΚΩ-

The solution is given below Explanation: If you are having doubt in any step please comment…

Answered: 7.23 The switch in the circuit in Fig.…

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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3. The switch in Fig. P7.65 has been position a for a long time. At t = 0, it moves instantaneously to position b. For t20+, find i.(t), v1(t), v2(t), Vo(t). 2 kN 7.5 kN t = 0 + + 50 V 0.3 µF V1 100 V + Vo 0.9 µF - V2
P7.2-18+ The input to the circuit shown in Figure P 7.2-18 is the current i(t) = 3e-25 A fort > 0 The output is the voltage v(t) = 9.6e-25t+0.4 V fort > 0 The initial capacitor voltage is vc (0) = -2 V. Determine the values of the capacitance C and resistance R. Vc(t) www R + i(t) v(t) C
= It is desired to design a Sallen-Key circuit (shown in figure below) to have an overdamped response with roots of the characteristic equation given by $1 -245rad/s and $2 =-355rad/sec. If the resistors used are R₁ =427 and R₂ =500, find the required value for the capacitor C₁. Enter your answer in units of micro-Farads (μ.F). 7.2365 R₁ V₁ R₂ C₂ 3.618 margin of error +/- 1% C₁ Vo
to be the C(s) eady 20. Given the system of Figure P7.8, design the value of K so that for an input of 100tu(t), there will be a 0.01 error in the steady state. [Section: 7.4] R(s) 2039voli 204W anoitulo2 lortno) + - TOR KOL s(s+ 1) UT TOUSOULCE guollot edi bail 01 so 29ulev di-lo a 10s K FIGURE P7.8 C(s) J ripr 11 01 31242
7.72 In the circuit in Fig. P7.72, switch A has been open PSPICE and switch B has been closed for a long time. At MULTISIM I = 0, switch A closes. Five seconds after switch A closes, switch B opens. Find i (1) for t 2 0. %3D Figure P7.72 50 t = 5s- iL(1) В 10 V A 5 H t =0
18. A dc voltage E is applied across an RL circuit at t = 0. At what time after, is the voltage across the resistor equal to that across the inductor? A. 0.693 TC B. 0.673 TC C. 0.707 TC D. 0.779 TC
Which of the following statements are true for an inductor? Select all the correct answers. a) The current through it is proportional to the derivative of the voltage across it: i is proportional to dv/dt b) The voltage across it is proportional to the derivative of the current through it. v is proportional to di/dt c) It can be replaced with a short circuit when finding the DC response d) It can be replaced with an open circuit when finding the DC response e) When combined in series, they combine like resistors in series f) When combined in series, they combine the same as resistors in parallel g) When combined in parallel, they combine like resistors in series h) When combined in parallel, they combine like resistors in parallel i) The voltage across it can not change instantly j) The current through it can not change instantly
7.15 Given the system -3 with zero initial conditions, find the steady-state value of x for a step input u.
7.3. For the following circuit, find the mathematical expressions for ic(t) and Vċ(t) in the interval Os ≤ t ≤ 2s and graph them by hand. 10u(t - 0,5) mA ww 5 ΚΩ ww • 10 ΚΩ VC 10 ΚΩ M + ic 15 ΚΩ M 0.1 mF +100u(t-1,5) V
7.79 Find V, in the circuit of Fig. P7.79. j4N 5Ω 5Ω 10 V -j2 0 Vo Figure P7.79: Circuit for Problem 7.79. + )
The switch in the circuit hasbeen open a long time before closing at t=0. At the time the switchcloses, the capacitor has no stored energy. Find vo for t≥0
Circuit analysis In the circuit below, when the switch is in A position for a long time, it is in position B at t = 0. are brought. For t> 0, the time constant is the value of ? and the voltage across the capacitor. Find the function of change with respect to time. Draw the graph.

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