Find the time constant, T, of the outputcurrent, i (t), given the circuit in Fig. P7.7.Given R1 = 12 kQ, R2 = 8 k0, R3 = 9 k0, R4= 6 kQ, and C = 187 µF.6V (+R1 ΚΩwwFigure P7.7R2 ΚΩi (t)CμFR3 ΚΩwwt = 0SR4KΩ

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Answered: Find the time constant, T, of the…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Ex. 142. A series circuit has a DC voltage source (96 volts), a resistor (46 ohms), a capacitor (36 farads), The capacitor is initially uncharged and the switch closes and a switch. at t=0. Sketch the exponential current and capacitor voltage: i(t)=Aexp(- t/tau) +B, and Vc (t)=Dexp(-t/tau) +F. Find: A,B,D,F,tau,i(t=tau),i(t=4tau),Vc (t=tau), and Vc (t=3tau). ans:9
An initially uncharged 4.57 uF capacitor and a 6.57 k2 resistor are connected in series to a 1.50 V battery that has negligible internal resistance. What is the initial current in the circuit, expressed in milliamperes? initial current: Calculate the cir time constant: x10 elapsed time: TOOLS conds. How much time, in milliseconds, must elapse from the closing of the circuit for the current to decrease to 3.69% of its initial value? mA ms ms
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Find the time constant, T, of the output current, i(t), given the circuit in Fig. P7.7. Given R1 = 12 kQ, R2 = 8 k0, R3 = 9 k0, R4 = 6 kQ, and C = 187 µF. 6V(+ R1 ΚΩ www Figure P7.7 R2 kΩ i (t) CHF R3 ΚΩ ww t = 0 R4KQ