7 Determine the equivalent impedance in the circuitshown in Figure P4.47:лv,(t) = 7 cos (3,000t +)R = 2.3 k2R2 = 1.1 k2%3DL = 190 mHC = 55 nFR1

The reactance offered by the inductor is, The reactance offered by the capacitor is,

Answered: 7 Determine the equivalent impedance in…

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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Similar questions

Consider the circuit of Figure P4.17, in which the switch instantaneously moves back and forth between contacts A and B, spending 2 seconds in each position. Thus, the capacitor repeatedly charges for 2 seconds and then discharges for 2 seconds. Assume that v C ( 0 )=0 and that the switch moves to position A at t=0. Determine v C ( 2 ), v C ( 4 ), v C ( 6 ), and v C ( 8 ).
Determine expressions for and sketch v R ( t ) to scale versus time for the circuit of Figure P4.43. The circuit is operating in steady state with the switch closed prior to t=0. Consider the time interval −1≤t≤5 ms.
For the circuit shown in Figure P4.38, find an expression for the current i L ( t ) and sketch it to scale versus time. Also, find an expression for vL(t) and sketch it to scale versus time
If the plots shown in Figure P4.18 are the voltageacross and the current through an ideal capacitor,determine the capacitance.
Consider the circuit shown in Figure P4.40. A voltmeter (VM) is connected across the inductance. The switch has been closed for a long time. When the switch is opened, an arc appears across the switch contacts. Explain why. Assuming an ideal switch and inductor, what voltage appears across the inductor when the switch is opened? What could happen to the voltmeter when the switch opens?
At t=0 a charged 10{μF capacitance is connected to a voltmeter, as shown in Figure P4.5. The meter can be modeled as a resistance. At t=0 the meter reads 50 V. At t=30s, the reading is 25 V. Find the resistance of the voltmeter.
The circuit shown in Figure P4.26 is operating in steady state. Determine the values of i L,v x ,and v C .
Determine expressions for and sketch i s ( t ) to scale versus time for −0.2≤t≤1.0 s for the circuit of Figure P4.37.
In Figure P4.64, let R=500 Ω. Using the inductor current, derive the Characteristic Equation.
Use the defining law for a capacitor to find the current iC(t) corresponding to the voltage shown in Figure P4.27. Sketch your result.
a. Find the equivalent impedance ZL shown inFigure P4.66(a), as seen by the source, if thefrequency is 377 rad/s.b. If we wanted the source to see the load ascompletely resistive, what value of capacitanceshould we place between the terminals a and b asshown in Figure P4.66(b)? Hint: Find an expressionfor the equivalent impedance ZL, and then find C sothat the phase angle of the impedance is zero.
The voltage across and the current through acapacitor are shown in Figure P4.21. Determine thevalue of the capacitance.

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7 Determine the equivalent impedance in the circuit shown in Figure P4.47: л v,(t) = 7 cos (3,000t +) R = 2.3 k2 R2 = 1.1 k2 %3D L = 190 mH C = 55 nF R1