Figure 1.2 Illustration of Coulomb’s law and the attraction/repulsion of charges

Fundamentals of Electric Circuit Analysis, by Clayton Paul

Copyright 2000 © John Wiley & Sons. Inc. All rights reserved.

Figure 1.1Illustration of the modeling of a device (a CD amplifier) with an electric circuit model.



Figure 1.2Illustration of Coulomb’s law and the attraction/repulsion of charges.



Figure 1.3Illustration of the work required to move a charge along a path.



Figure 1.4The similarly of gravitational potential to electric potential.



Figure 1.5Example 1.1.



Figure 1.6Example 1.2



Figure 1.7 Illustration of (a) current as the rate of movement of electric charge, and (b) the magnetic field associated with that charge movement.



Figure 1.8Illustration of the time history of (a) movement of net positive charge past a point, and (b) the resulting current.



Figure E1.6Exercise Problem 1.6.






Figure 1.9A lumped circuit element and its associated voltage and current.



Figure 1.10Charging a discharged automobile battery to illustrate the concept of power delivered to or absorbed by an element and the passive sign convention.



Figure 1.11 Illustration of the power delivered to (absorbed by) an element and the power delivered by the element.



Figure 1.12 Examples of the computation of power delivered to or by an element.






Figure 1.13Illustration of an electric circuit as a particular interconnection of circuit elements.



Figure 1.14 Illustration of Kirchhoff

’s current law (KCL).



Figure 1.15 Illustration of Kirchhof

’s current law (KCL).





















Figure 1.19 Illustration of a circuit loop.



Figure 1.20 Illustration of the concepts of (a) voltage rise and (b) voltage drop.



Figure 1.21 Illustration of a method for correctly writing KVL with reference to the circuit of Fig. 1.19.



Figure 1.22 Another example illustrating a method for correctly writing KVL.



Figure 1.23 Another example of the application of KVL.



Figure 1.24The seven loops in the circuit of Fig. 1.23, with KVL written for each.



Figure 1.25A useful variant of the method for writing KVL when only one voltage in the loop is unknown.



Figure 1.26Another illustration of writing KVL for a loop where only one voltage is unknown.



Figure 1.27Illustration that KVL is a result of the law of conservation of energy.






























Figure 1.32Illustration of(a) the series connection of elements, and (b) the parallel connection of elements.



Figure 1.33Examples to illustrate to proper classification of series and parallel connections.












Figure 1.34Illustration of the concept of equivalent circuits.



Figure 1.35Example 1.11, illustrating equivalence.






Figure 1.36Illustration of the fact that the length and shape of the connection leads attached to an element are not important.



Figure 1.37Redrawing a circuit into an equivalent form using the stretch-and-bend principle.



Figure 1.38Illustration of the fact that (a) elements in series can be interchanged, and (b) elements in parallel can be interchanged.



Figure 1.39 An element’s connection point may be moved along a connection lead. Observe that there are only three nodes in this circuit.



Figure 1.40Illustration of common errors in redrawing a circuit: (a) cutting a connection lead and moving it to another node, and (b) cutting the connection leads of an element and inserting the element in another place.



Figure 1.41(Continued)



Figure 1.41Illustration of electricity supply to residence: (a) supply from the power line to the residence, and (b) distribution of electricity within the residence via the service entrance panel.



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Documents

Figure 1.2 Illustration of Coulomb’s law and the attraction/repulsion of charges