Q18 Calculate the current density in a gold wire at 20°C, if an electric field of 0.8 V/m exists in the18 -wire. Taken as p= 2.44x10 2.m for gold wire.O A) 1.06x107 A/m?B) 2.56x107 A/m?OC)3.27x10' A/m?O D)1.76x107 A/m?O E) 3.03x107 A/m?

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Answered: Calculate the current density in a gold…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 61P

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Calculate the current density in a gold wire at 20°C, if an electric field of 0.8 V/m exists in the 18 - wire. Taken as p = 2.44x10* Q.m for gold wire. O A) 1.06x10’ A/m² B) 2.56x107 A/m² O C) 3.27x10' A/m? O D) 1.76x1o’ A/m?