A current of I amperes passes through a resistor of R ohms. Ohm’s Law states that the voltage E applied to the resistor is E = IR. The voltage is constant. Show that the magnitude of the relative error in R caused by a change in I is equal in magnitude to the relative error in I

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 74E
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A current of I amperes passes through a resistor of R ohms. Ohm’s Law states that the voltage E applied to the resistor is E = IR. The voltage is constant. Show that the magnitude of the relative error in R caused by a change in I is equal in magnitude to the relative error in I

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