An electric circuit is commonly described with mere words. Former principles of electric potential difference, current and resistance will be applied to these complex circuits and the same mathematical formulas will be used to analyze them.Įlectric circuits, whether simple or complex, can be described in a variety of ways. Our discussion will progress from simple circuits to mildly complex circuits. Lesson 4 will focus on the means by which two or more electrical devices can be connected to form an electric circuit. Mathematical relationships between electrical quantities have been discussed and their use in solving problems has been modeled. Conceptual meaning of terms have been introduced and applied to simple circuits. Thus far, this unit of The Physics Classroom tutorial has focused on the key ingredients of an electric circuit and upon the concepts of electric potential difference, current and resistance.
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