Chapter 7 DC Circuits 7.1 Introduction. 7-3 Example 7.1.1:Junctions,branches and loops 7-4 7.2 Electromotive Force..... 7-5 7.3 Electrical Energy and Power........ 7-9 7.4 Resistors in Series and in Parallel. .7-10 7.5 Kirchhoff's Circuit Rules................ .7-12 7.6 Voltage-Current Measurements..... .7-14 7.7 Capacitors in Electric Circuits .7-15 7.7.1 Parallel Connection ..7-16 7.7.2 Series Connection.......... .7-17 Example 7.7.1:Equivalent Capacitance... .7-19 Example 7.7.2:Capacitance with Dielectrics 7-19 7.8 RC Circuit… 7-20 7.8.1 Charging a Capacitor. .7-20 7.8.2 Discharging a Capacitor.7-24 7.9 Summary. 。。 7-26 7.10 Problem-Solving Strategy:Applying Kirchhoffs Rules..................7.-27 7.11 Solved Problems… 7-31 7.11.1 Equivalent Resistance................. .7-31 7.11.2 Variable Resistance................ .7-32 7.11.3 RCCircuit.. .7-33 7.11.4 Parallel vs.Series Connections .7-34 7.11.5 Resistor Network........ 7-36 7.11.6 Equivalent Capacitance 7-37 7.12 Conceptual Questions 7-38 7.13 Additional Problems.... 7-39 7-17-1 Chapter 7 DC Circuits 7.1 Introduction.......................................................................................................... 7-3 Example 7.1.1: Junctions, branches and loops ........................................................ 7-4 7.2 Electromotive Force............................................................................................. 7-5 7.3 Electrical Energy and Power................................................................................ 7-9 7.4 Resistors in Series and in Parallel...................................................................... 7-10 7.5 Kirchhoff’s Circuit Rules................................................................................... 7-12 7.6 Voltage-Current Measurements......................................................................... 7-14 7.7 Capacitors in Electric Circuits........................................................................... 7-15 7.7.1 Parallel Connection .................................................................................... 7-16 7.7.2 Series Connection....................................................................................... 7-17 Example 7.7.1: Equivalent Capacitance ................................................................ 7-19 Example 7.7.2: Capacitance with Dielectrics........................................................ 7-19 7.8 RC Circuit.......................................................................................................... 7-20 7.8.1 Charging a Capacitor.................................................................................. 7-20 7.8.2 Discharging a Capacitor............................................................................. 7-24 7.9 Summary............................................................................................................ 7-26 7.10 Problem-Solving Strategy: Applying Kirchhoff’s Rules................................... 7-27 7.11 Solved Problems................................................................................................ 7-31 7.11.1 Equivalent Resistance................................................................................. 7-31 7.11.2 Variable Resistance .................................................................................... 7-32 7.11.3 RC Circuit................................................................................................... 7-33 7.11.4 Parallel vs. Series Connections .................................................................. 7-34 7.11.5 Resistor Network........................................................................................ 7-36 7.11.6 Equivalent Capacitance .............................................................................. 7-37 7.12 Conceptual Questions ........................................................................................ 7-38 7.13 Additional Problems.......................................................................................... 7-39