1 Introduction, Measurement, Estimating 2 Describing Motion: Kinematics In One Dimension 3 Kinematics In Two Or Three Dimensions; Vectors 4 Dynamics: Newton's Laws Of Motion 5 Using Newton's Laws: Friction, Circular Motion, Drag Forces 6 Gravitation And Newton's Synthesis 7 Work And Energy 8 Conservation Of Energy 9 Linear Momentum 10 Rotationalmotion 11 Angular Momentum; General Rotation 12 Static Equilibrium; Elasticity And Fracture 13 Fluids 14 Oscillations 15 Wave Motion 16 Sound 17 Temperature, Thermal Expansion And The Ideal Gas Law 18 Kinetic Theory Of Gases 19 Heat And The First Law Of Thermodynamics 20 Second Law Of Thermodynamics 21 Electric Charge And Electric Field 22 Gauss's Law 23 Electric Potential 24 Capacitance, Dielectrics, Electric Energy Storage 25 Electric Currents And Resistance 26 Dc Circuits 27 Magnetism 28 Sources Of Magnetic Field 29 Electromagnetic Induction And Faraday's Law 30 Inductance, Electromagnetic Oscillations, And Ac Circuits 31 Maxwell's Equation And Electromagnetic Waves 32 Light: Reflection And Refraction 33 Lenses And Optical Instruments 34 The Wave Nature Of Light: Interference 35 Diffraction And Polarization 36 Special Theory Of Relativity 37 Early Quantum Theory And Models Of The Atom 38 Quantum Mechanics 39 Quantum Mechanics Of Atoms 40 Molecules And Solids 41 Nuclear Physics And Radioactivity 42 Nuclear Energy; Effects And Uses Of Radiation 43 Elementary Particles 44 Astrophysics And Cosmology expand_more
30.1 Mutual Inductance 30.2 Self-inductance 30.3 Energy Stored In A Magnetic Field 30.4 Lr Circuits 30.5 Lc Circuits And Electromagnetic Oscillations 30.6 Lc Oscillations With Resistance (.lrc Circuit) 30.7 Ac Circuits With Ac Source 30.8 Lrc Series Ac Circuit 30.9 Resonance In Ac Circuits 30.10 Impedance Matching 30.11 Three-phase Ac Chapter Questions expand_more
Problem 1Q Problem 2Q Problem 3Q Problem 4Q Problem 5Q: If you are given a fixed length of wire, how would you shape it to obtain the greatest... Problem 6Q Problem 7Q Problem 8Q Problem 9Q: What keeps an LC circuit oscillating even after the capacitor has discharged completely? Problem 10Q: Is the ac current in the indicator always the same as the current in the resistor of the LRC circuit... Problem 11Q Problem 12Q: In an ac LRC circuit, if XL XC, the circuit is said to be predominantly inductive. And if XC XL,... Problem 13Q Problem 14Q: Under what conditions is the impedance in an LRC circuit a minimum? Problem 15Q: Is it possible for the instantaneous power output of an ac generator connected to an LRC circuit... Problem 16Q: In an ac LRC circuit, does the power factor, cos, depend on frequency? Does the power dissipated... Problem 17Q: Describe briefly how the frequency of the source emf affects the impedance of (a) a pure resistance,... Problem 18Q Problem 19Q: In an LRC circuit, the current and the voltage in the circuit both oscillate. The energy stored in... Problem 20Q: Compare the oscillations or an LRC circuit to the vibration or a mass m on a spring. What do L and C... Problem 1P Problem 2P Problem 3P Problem 4P Problem 5P: (I) If the current in a 280-mH coil changes steadily from 25.0 A to 10.0 A in 360 ms, what is the... Problem 6P Problem 7P Problem 8P Problem 9P Problem 10P: (II) If the outer conductor of a coaxial cable has radius 3.0 mm, what should be the radius of the... Problem 11P Problem 12P Problem 13P Problem 14P: (II) Ignoring any mutual inductance, what is the equivalent inductance of two inductors connected... Problem 15P: (I) The magnetic field inside an air-filled solenoid 38.0 cm long and 2.10 cm in diameter is 0.600... Problem 16P: (I) Typical large values for electric and magnetic fields attained in laboratories are about 1.0 ... Problem 17P: (II) What is the energy density at the center of a circular loop of wire carrying a 23.0-A current... Problem 18P: (II) Calculate the magnetic and electric energy densities at the surface of a 3.0-mm-diameter copper... Problem 19P Problem 20P: (II) Determine the total energy stored per unit length in the magnetic field between the coaxial... Problem 21P: (II) Determine the total energy stored per unit length in the magnetic field between the coaxial... Problem 22P Problem 23P: (II) How many time constants does it take for the potential difference across the resistor in an LR... Problem 24P: (II) It takes 2.56 ms for the current in an LR circuit to increase from zero to 0.75 its maximum... Problem 25P Problem 26P: (II) In the circuit of Fig. 3027, determine the current in each resistor (I1, I2, I3) at the moment... Problem 27P Problem 28P Problem 29P: (II) A 12-V battery has been connected to an LR circuit for sufficient time so that a steady current... Problem 30P Problem 31P: (I) The variable capacitor in the tuner of an AM radio has a capacitance of 1350 pF when the radio... Problem 32P Problem 33P: (II) In some experiments, short distances are measured by using capacitance. Consider forming an LC... Problem 34P Problem 35P Problem 36P Problem 37P Problem 38P Problem 39P: (I) At what frequency will a 32.0-mH inductor have a reactance of 660 ? Problem 40P: (I) What is the reactance of a 9.2-F capacitor at a frequency of (a) 60.0 Hz, (b) 1.00 MHz? Problem 41P: (I) Plot a graph of the reactance of a 1.0-F capacitor as a function of frequency from 10 Hz to 1000... Problem 42P: (I) Calculate the reactance of, and rms current in, a 36.0-mH radio coil connected to a 250-V (rms)... Problem 43P: (II) A resistor R is in parallel with a capacitor C, and this parallel combination is in series with... Problem 44P Problem 45P: (II) (a) What is the reactance of a 0.086-F capacitor connected to a 22-kV (rms), 660-Hz line? (b)... Problem 46P Problem 47P: (II) A current I = 1.80 cos 377t (I in amps, t in seconds, and the angle is in radians) flows in a... Problem 48P: (I) A 10.0-k resistor is in series with a 26.0-mH inductor and an ac source. Calculate the impedance... Problem 49P: (I) A 75- resistor and a 6.8-F capacitor are connected in series to an ac source. Calculate the... Problem 50P: (I) For a 120-V, 60-Hz voltage, a current of 70 mA passing through the body for 1.0 s could be... Problem 51P: (II) A 2.5-k resistor in series with a 420-mH inductor is driven by an ac power supply. At what... Problem 52P: (II) (a) What is the rms current in a series RC circuit if R = 3.8 k, C = 0.80 F, and the rms... Problem 53P: (II) An ac voltage source is connected in series with a 1.0-F capacitor and a 750- resistor. Using a... Problem 54P: (II) Determine the total impedance, phase angle, and rms current in an LRC circuit connected to a... Problem 55P: (II) (a) What is the rms current in a series LR circuit when a 60.0-Hz, 120-V rms ac voltage is... Problem 56P: (II) A 35-mH inductor with 2.0- resistance is connected in series to a 26-F capacitor and a 60-Hz,... Problem 57P: (II) A 25-mH coil whose resistance is 0.80 is connected to a capacitor C and a 360-Hz source... Problem 58P: (II) A 75-W lightbulb is designed to operate with an applied ac voltage of 120 V rms. The bulb is... Problem 59P: (II) In the LRC circuit or Fig. 3019, suppose I = I0 sin t and V V0 sin(t + ). Determine the... Problem 60P: (II) An LRC series circuit with R = 150 , L = 25 mH, and C = 2.0 F is powered by an ac voltage... Problem 61P: (II) An LR circuit can be used as a phase shifter. Assume that an input source voltage V = V0... Problem 62P: (I) A 3800-pF capacitor is connected in series to a 26.0-H coil of resistance 2.00 . What is the... Problem 63P: (I) What is the resonant frequency of the LRC circuit of Example 3011? At what rate is energy taken... Problem 64P: (II) An LRC circuit has L = 4.15 mH and R = 3.80 k, (a) What value must C have to produce resonance... Problem 65P: (II) The frequency of the ac voltage source (peak voltage V0) in an LRC circuit is tuned to the... Problem 66P: (II) Capacitors made from piezoelectric materials are commonly used as sound transducers (speakers).... Problem 67P: (II) (a) Determine a formula for the average power P dissipated in an LRC circuit in terms of L, R,... Problem 68P: (II) (a) Show that oscillation of charge Q on the capacitor of an LRC circuit has amplitude... Problem 69P: (II) A resonant circuit using a 220-nF capacitor is to resonate at 18.0 kHz. The air-core inductor... Problem 70P Problem 71GP Problem 72GP Problem 73GP: At time t = 0, the switch in the circuit shown in Fig. 3030 is closed. After a sufficiently long... Problem 74GP Problem 75GP Problem 76GP: Assuming the Earths magnetic field averages about 0.50 104 T near the surface of the Earth,... Problem 77GP: (a) For an underdamped LRC circuit, determine a formula for the energy U = UE + UB. stored in the... Problem 78GP: An electronic device needs to be protected against sudden surges in current. In particular, after... Problem 79GP Problem 80GP Problem 81GP: An ac voltage source V=V0sin(t+90) is connected across an inductor L and current I=I0sin(t) flows in... Problem 82GP: A circuit contains two elements, but it is not known if they are L, R, or C. The current in this... Problem 83GP: A 3.5-k resistor in series with a 440-mH inductor is driven by an ac power supply. At what frequency... Problem 84GP: (a) What is the rms current in on RC circuit if R = 5.70 k, C = 1.80 F, and the rms applied voltage... Problem 85GP: An inductance coil draws 2.5 A de when connected to a 45-V battery. When connected 10 a 60-Hz 120-V... Problem 86GP: The Q-value of a resonance circuit can be defined as the ratio of the voltage across the capacitor... Problem 87GP: Show that the fraction of electromagnetic energy lost (to thermal energy) per cycle in a lightly... Problem 88GP: In a series LRC circuit, the inductance is 33mH, the capacitance is 55 nF, and the resistance is... Problem 89GP Problem 90GP: A voltage V = 0.95 sin 754t is applied to an LRC circuit (I is in amperes, t is in seconds, V is in... Problem 91GP: Filler circuit. Figure 3033 shows a simple filler circuit designed to pass dc voltages with minimal... Problem 92GP: Show that if the inductor L in the filter circuit of Fig. 3033 (Problem 91) is replaced by a large... Problem 93GP: A resistor R, capacitor C, and inductor L are connected in parallel across an ac generator as shown... Problem 94GP: Suppose a series LRC circuit has two resisiors, R1 and R2, two capacitors C1 ancf C2, and two... Problem 95GP Problem 96GP Problem 97GP: You have a small electromagnet that consumes 350 W from a residential circuit operating at 120 V at... Problem 98GP: An inductor L in series with a resistor R, driven by a sinusoidal voltage source, responds as... Problem 99GP: In a certain LRC series circuit, when the ac voltage source has a particular frequency f, the peak... Problem 100GP Problem 101GP Problem 102GP: For the circuit shown in Fig. 3038, show that if the condition R1R2=L/C is satisfied then the... Problem 103GP: (II) The RC circuit shown in Fig. 3039 is called a low-pass filter because it passes low-frequency... Problem 104GP: (II) The RC circuit shown in Fig. 3040 is called a high-pass filter because it passes high-frequency... Problem 105GP: (III) Write a computer program or use a spreadsheet program to plot Irms for an ac LRC circuit with... format_list_bulleted