Mastering Engineering with Pearson eTex...7th EditionAllan R. Hambley Publisher: PEARSONISBN: 9780134486970
Mastering Engineering with Pearson eTex...
Solutions for Mastering Engineering with Pearson eText -- Standalone Access Card -- for Electrical Engineering: Principles & Applications
Problem 3.1P:
What is a dielectric material? Give two examples.Problem 3.2P:
Briefly discuss how current can flow “through” a capacitor even though a nonconducting layer...Problem 3.3P:
What current flows through an ideal capacitor if the voltage across the capacitor is constant with...Problem 3.4P:
Describe the internal construction of capacitors.Problem 3.5P:
A voltage of 50 V appears across a 10F capacitor. Determine the magnitude of the net charge stored...Problem 3.6P:
A 2000F capacitor, initially charged to 100V, is discharged by a steady current of 100A . How long...Problem 3.7P:
A 5F Capacitor ischarged to 1000 V. Determine the initial stored charge and energy. If this...Problem 3.8P:
The voltage across a 10F capacitor is given by v (t) = 100 sin (l000t). Find expressions for the...Problem 3.9P:
The voltage across a 1F capacitor is given by v(t)=100e100t . Find expressions for the current,...Problem 3.10P:
Prior to t = 0, a 100F capacitance is uncharged Starting at t = 0, the voltage across the capacitor...Problem 3.11P:
The current through a 0.5F capacitor is shown in Figure P3.11. At t = 0, the voltage is zero Sketch...Problem 3.12P:
Determine the capacitor voltage, power, and stored energy at t = 20 ms in the circuit ofFigure P3.12...Problem 3.13P:
A current given by i(t)=Imcos(t) flows through a capacitance C.The voltage is zero at t= 0. Suppose...Problem 3.14P:
The current through a 3F capacitor is shown in Figure P3.14. At t = 0, the voltage is v (0) = 10 V....Problem 3.15P:
A constant (dc) current i(t)=3 mA flows into a 50F capacitor The voltage at t= 0 is v(0) = -20 V....Problem 3.16P:
The energy stored in a 2F capacitor is 200 J and is increasing at 500 J/s at t = 3 s. Determine the...Problem 3.17P:
At t=t0 the voltage across a certain capacitance is zero. A pulse of current flows through the...Problem 3.18P:
An unusual capacitor has a capacitance that is a function of time given by C=2+cos(2000t)F in which...Problem 3.19P:
For a resistor, what resistance corresponds to a short circuit? For an uncharged capacitor, what...Problem 3.20P:
Suppose we have a very large capacitance (ideally, infinite) charged to 10 V. What other circuit...Problem 3.21P:
We want to store sufficient energy in a 001-F capacitor to supply 5 horsepower (hp) for 1 hour. To...Problem 3.22P:
A 100F capacitor has a voltage given by v(t)=1010 exp (-2t) V. Find the power at t= 0 and state...Problem 3.23P:
How are capacitances combined in series and in parallel? Compare with how resistances are combined.Problem 3.24P:
Find the equivalent capacitance for each of the circuits shown in Figure P3.24. Figure P3.24Problem 3.25P:
Find the equivalent capacitance between terminals x and y for each of the circuits shown in Figure...Problem 3.26P:
A network has a 5F capacitance in series with the parallel combination of a 12Fcapacitance and an...Problem 3.27P:
What are the minimum and maximum values of capacitance that can be obtained by connecting four 2-...Problem 3.28P:
Two initially uncharged capacitors C1=15F and C2=10F are connected in series Then, a 10-V source is...Problem 3.29P:
Suppose that we are designing a cardiac pacemaker circuit The circuit is required to deliver pulses...Problem 3.30P:
Suppose that we have two 100F capacitors One is charged to an initial voltage of 50 V, and the other...Problem 3.31P:
Determine the capacitance of a parallel-plate capacitor having plates 10 cm by 30 cm separated by...Problem 3.32P:
A 100-pF capacitor is constructed of parallel plates of metal, each having a width Wand a length L....Problem 3.33P:
We have a parallel-plate capacitor with plates of metal each having a width Wand a length L. The...Problem 3.34P:
Suppose that we have a 1000-pF parallel-plate capacitor with air dielectric charged to 1000 V. The...Problem 3.35P:
Two 1F capacitors have an initial voltage of 100 V (before the switch is closed), as shown in Figure...Problem 3.38P:
A parallel-plate capacitor is used as a vibration sensor. The plates have an area of 100cm2 , the...Problem 3.39P:
A 0.1F capacitor has a parasitic series resistance of 10 , as shown in Figure P3.39. Suppose that...Problem 3.41P:
Briefly discuss how inductors are constructed.Problem 3.42P:
The current flowing through an inductor is increasing in magnitude. Is energy flowing into or out of...Problem 3.43P:
If the current through an ideal inductor is constant with time, what is the value of the voltage...Problem 3.44P:
Briefly discuss the fluid-flow analogy for an inductor.Problem 3.45P:
The current flowing through a 2-H inductance is shown in Figure P3.45. Sketch the voltage. power,...Problem 3.46P:
The current flowing through a 100-mH inductance is given by 0.5 sin (l000t) A, in which the angle is...Problem 3.47P:
The current flowing through a 2-H inductance is given by 5 exp (—20t) A. Find expressions for the...Problem 3.48P:
The voltage across a 2-H inductance is shown in Figure P3.48. The initial current in the inductance...Problem 3.49P:
The voltage across a 10 H inductance is given by v(t)=5sin(106t) V. The initial current is i(0)=0.5A...Problem 3.50P:
A 2-H inductance has i(0) = 0 and v(t)=texp(t) for 0t . Find an expression for i(t). Then, using the...Problem 3.51P:
A constant voltage of 10V is applied to a 50H inductance, as shown in Figure P3.51 Figure P3 51 The...Problem 3.52P:
At t = 0, the current flowing in a 05-H inductance is 4 A. What constant voltage must be applied to...Problem 3.53P:
The current through a 100-mH inductance is given by i(t)=exp(t)sin(10t) in which the angle is in...Problem 3.54P:
Prior to t= 0, the current in a 2-H inductance is zero Starting at t= 0, the current is increased...Problem 3.55P:
At t= 0, a constant 5-V voltage source is applied to a 3-H inductor. Assume an initial current of...Problem 3.57P:
Al t= 5 s, the energy stored in a 2-H inductor is 200 J and is increasing at 100 J/s. Determine the...Problem 3.58P:
What value of inductance (having zero initial current) corresponds to an open Circuit? Explain your...Problem 3.59P:
To what circuit element does a very large (ideally, infinite) inductance having an initial current...Problem 3.60P:
The voltage across an inductance L is given by v(t)=Vmcos(t) .. The current is zero at t= 0. Suppose...Problem 3.61P:
Discuss how inductances are combined in series and in parallel. Compare with how resistances are...Problem 3.62P:
Determine the equivalent inductance for each of the series and parallel combinations shown in Figure...Problem 3.63P:
Find the equivalent inductance for each of the series and parallel combinations shown in Figure...Problem 3.64P:
What is the maximum inductance that can be obtained by connecting four 2-H inductors in series...Problem 3.65P:
Suppose we want to combine (in series or in parallel) an inductance L with a 6-H inductance to...Problem 3.67P:
Two inductances L1=1H and L2=2H are connected in parallel, as shown in Figure P3.67. The initial...Problem 3.68P:
A 10-mH inductor has a parasitic series resistance of Rs=1 , as shown in Figure P3.68. The current...Problem 3.70P:
Suppose that the equivalent circuit shown in Figure 3.24 accurately represents a real inductor. A...Problem 3.71P:
Consider the circuit shown in Figure P3.71 in which vC(t)=10sin(1000t) V, with the argument of the...Problem 3.72P:
The circuit shown in Figure P3.72 has iL(t)=0.1cos(5000t)A in which the argument of the cos function...Problem 3.73P:
Describe briefly the physical basis for mutual inductance.Problem 3.74P:
The mutually coupled inductances in Figure P3.74 have L1=1H , L2=2H , and M = 1 H. Furthermore,...Problem 3.76P:
a. Derive an expression for the equivalent inductance for the circuit shown in b.Figure P3.76 b...Problem 3.77P:
Consider the parallel inductors shown in Figure P3.67, with mutual coupling and the dots at the top...Problem 3.78P:
Consider the mutually coupled inductors shown in Figure 3.25(a) 1 with a short connected across the...Problem 3.79P:
Mutually coupled inductances have L1=2HL2=2Hi1=10cos(100t)i2=0v2=104sin(1000t) Find v1(t) and the...Problem 3.80P:
The current through a 200-mH inductance is given by iL(t)=exp(2t)sin(4t) A in which the angle is in...Problem 3.81P:
A 1-H inductance has iL(0)=0 and vL(t)=texp(t) for 0t . Using your calculus skills, find and an...Problem 3.1PT:
The current flowing through a 10F capacitor having terminals labeled a and b is iab=0.3exp(2000t)A...Problem 3.3PT:
A certain parallel-plate capacitor has plate length of 2 cm and width of 3 cm. The dielectric has a...Problem 3.4PT:
A 2-mH inductance has iab=0.3sin(2000t)A . Find an expression for vab(t). Then, find the peak energy...Problem 3.5PT:
Determine the equivalent inductance Leq between terminals a and b in Figure T3.5. Figure T3.5Browse All Chapters of This Textbook
Chapter 1 - IntroductionChapter 2 - Resistive CircuitsChapter 3 - Inductance And CapacitanceChapter 4 - TransientsChapter 5 - Steady-state Sinusoidal AnalysisChapter 6 - Frequency Response, Bode Plots, And resonanceChapter 7 - Logic CircuitsChapter 8 - Computers, Microcontrollers And Computer-based Instrumentation SystemsChapter 9 - DiodesChapter 11 - Field-effect Transistors
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