Chapter 12 Alternating-Current Circuits 12.1 AC Sources.… 12-2 12.2 Simple AC circuits............. 12-3 12.2.1 Purely Resistive load.... 12-3 12.2.2 Purely Inductive Load. 12-5 12.2.3 Purely Capacitive Load. 12-7 12.3 The RLC Series Circuit....... 12-9 12.3.1 Impedance...... 12-12 12.3.2 Resonance..... 12-13 12.4 Power in an AC circuit.. 12-14 12.4.1 Width of the Peak 12-16 12.5 Transformer............ 12-17 12.6 Parallel RLC Circuit... 12-19 12.7 Summary......... 12-22 12.8 Problem-Solving Tips 12-24 12.9 Solved Problems.......... 12-26 12.9.1 RLC Series Circuit 12-26 12.9.2 RLC Series Circuit 12-27 12.9.3 Resonance........... 12-28 12.9.4 RL High-Pass Filter 12-29 12.9.5 RLC Circuit............... 12-30 12.9.6 RL Filter....... 12-33 12.10 Conceptual Questions 12-35 12.11 Additional Problems...... 12-36 12.11.1 Reactance of a Capacitor and an Inductor 12-36 12.11.2 Driven RLC Circuit Near Resonance..... 12-36 12.11.3 RC Circuit.… 12-37 12.11.4 Black Box............... 12-37 12.11.5 Parallel RL Circuit........ 。 12-38 12.11.6 LC Circuit........... 12-39 12.11.7 Parallel RC Circuit. 12-39 12.11.8 Power Dissipation...... 12-40 l2.11.9 FM Antenna… 12-40 12.11.10 Driven RLC Circuit. 12-41 12-1Chapter 12 Alternating-Current Circuits 12.1 AC Sources....................................................................................................... 12-2 12.2 Simple AC circuits............................................................................................ 12-3 12.2.1 Purely Resistive load.................................................................................. 12-3 12.2.2 Purely Inductive Load................................................................................ 12-5 12.2.3 Purely Capacitive Load.............................................................................. 12-7 12.3 The RLC Series Circuit..................................................................................... 12-9 12.3.1 Impedance................................................................................................ 12-12 12.3.2 Resonance ................................................................................................ 12-13 12.4 Power in an AC circuit.................................................................................... 12-14 12.4.1 Width of the Peak..................................................................................... 12-16 12.5 Transformer .................................................................................................... 12-17 12.6 Parallel RLC Circuit........................................................................................ 12-19 12.7 Summary......................................................................................................... 12-22 12.8 Problem-Solving Tips..................................................................................... 12-24 12.9 Solved Problems............................................................................................. 12-26 12.9.1 RLC Series Circuit ................................................................................... 12-26 12.9.2 RLC Series Circuit ................................................................................... 12-27 12.9.3 Resonance ................................................................................................ 12-28 12.9.4 RL High-Pass Filter.................................................................................. 12-29 12.9.5 RLC Circuit.............................................................................................. 12-30 12.9.6 RL Filter................................................................................................... 12-33 12.10 Conceptual Questions................................................................................... 12-35 12.11 Additional Problems..................................................................................... 12-36 12.11.1 Reactance of a Capacitor and an Inductor ............................................. 12-36 12.11.2 Driven RLC Circuit Near Resonance..................................................... 12-36 12.11.3 RC Circuit .............................................................................................. 12-37 12.11.4 Black Box............................................................................................... 12-37 12.11.5 Parallel RL Circuit.................................................................................. 12-38 12.11.6 LC Circuit............................................................................................... 12-39 12.11.7 Parallel RC Circuit ................................................................................. 12-39 12.11.8 Power Dissipation .................................................................................. 12-40 12.11.9 FM Antenna ........................................................................................... 12-40 12.11.10 Driven RLC Circuit.............................................................................. 12-41 12-1