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The impedance Z, in ohms, of a circuit element is defined

Precalculus Enhanced with Graphing Utilities | 6th Edition | ISBN: 9780132854351 | Authors: Michael Sullivan ISBN: 9780132854351 232

Solution for problem 85 Chapter A.7

Precalculus Enhanced with Graphing Utilities | 6th Edition

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Precalculus Enhanced with Graphing Utilities | 6th Edition | ISBN: 9780132854351 | Authors: Michael Sullivan

Precalculus Enhanced with Graphing Utilities | 6th Edition

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Problem 85

The impedance Z, in ohms, of a circuit element is defined as the ratio of the phasor voltage V, in volts, across the element to the phasor current I, in amperes, through the elements. That is, Z = V I . If the voltage across a circuit element is 18 + i volts and the current through the element is 3 4i amperes, determine the impedance

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More on Functions 8/31/2016 By Deryn Susman Piecewise Defined Functions |x| = {x for x ≥ 0}{−x for x < 0} Square Roots Defined: For every strictly positive number a>0, there are two numbers (one positive, one negative) whose square is “a”. The positive one is called the square root of “a” and is denoted by a radical (√ ). ±a This professor does notwantto see . x = {x > 0 (+)(+) =+}{x = o (0)(0) = 0}{x < 0 (−)(−) =+} 2 x ≥ 0 Quadratic Equations **Quadratics have 2 solutions**

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Chapter A.7, Problem 85 is Solved
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Textbook: Precalculus Enhanced with Graphing Utilities
Edition: 6
Author: Michael Sullivan
ISBN: 9780132854351

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The impedance Z, in ohms, of a circuit element is defined