phy1020.DVI

or BD  0 I 2r ; (35.4) in agreement with Eq. (31.8). We could have arrived at the same result using the Biot-Savart law, but i ...

Chapter 36 Faraday’s Law The fundamental equations of classical electricity and magnetism are four equations calledMaxwell’s equ ...

R I l Figure 36.1: Motional emf. Lenz’s law(named for the 19th century Russian physicist Heinrich Lenz): The emf and induced cur ...

current will produce a magnetic field inside that circuit that pointsout ofthe page, which will tend to decrease the magnetic fl ...

Chapter 37 Inductance The space surrounding an electric circuit contains a magnetic field due to the electric currents running i ...

so the inductance of a solenoid is LD 0 n^2 A`D 0 N^2 A ` : (37.7) Note that the inductance, like the capacitance, depends onl ...

whereKmis called therelative permeabilityof the material. The combination DKm 0 (37.13) is called thepermeabilityof the materi ...

Chapter 38 LR Circuits By connecting an inductor and a resistor together in series, we create anLR circuit. In an LR circuit, en ...

Figure 38.2: Plots vs. time for an LR circuit. (a) Resistor voltage vs. time; (b) inductor voltage vs. time; (c) circuit current ...

Chapter 39 LC and LCR Circuits We’ve previously looked at the RC circuit (a resistor and capacitor connected to a battery) and t ...

L S C Figure 39.1: An LC circuit. Figure 39.2: Plots vs. time of LC circuit currentI, capacitor voltageVC, inductor voltageVL, c ...

Figure 39.2 shows plots vs. time of the circuit current, voltages across the inductor and capacitor, charge on the capacitor, an ...

R L S C Figure 39.3: An LCR circuit. 39.2 LCR Circuits. If a resistor is placed in an LC circuit, we have anLCR circuit(Fig. 39. ...

Chapter 40 AC Circuits All of the electric circuits we have seen so far aredirect current(DC) circuits. This means that the curr ...

Example.Suppose a 15resistor, a 300F capacitor, and a 4 mH inductor are connected in series to a sinusoidal voltage source of ...

Chapter 41 Memristance We have seen the three basic components of analog electronics are the resistor, capacitor, and inductor. ...

Chapter 42 Electromagnetism 42.1 Electromagnetic Waves As mentioned in Chapter 36, the theory of classical electricity and magne ...

Figure 42.1: Diagram of an electromagnetic wave. The electric and magnetic vectors are perpendicular, and they peak together and ...

Chapter 43 Radio Electromagnetic waves can bemodulatedto carry information; this means that the pure sinusoidal electro- magneti ...

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