Document Type

Article

Publication Date

3-2012

Abstract

We show that the maximum or minimum impedance of a special parallel RLC studied in a previous paper can be found analytically, without using calculus. In fact, we show that the maximum or minimum value occurs when the driving frequency  is equal to o 1/ LC , a fact that was determined graphically in that previous paper. Furthermore, we show that either the maximum or minimum value is given by     2 2 R  1  3 ,where   L/C / R. Also, for the minimum impedance   2 min Z  R 1 2 / 3 3  R/ 3, whereas for the maximum impedance   2 max Z  R 1 2/  R.

Journal Name

Latin American Journal of Physics Education

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