A current-carrying gold wire has a diameter of 0.85 mm. The electric field in the wire is 0.54 V/m. Resistivity of the gold is 2.418x10-8 m. (a) What is the current (in amperes) carried by the wire? (b) What is the potential difference (in volts) between two points in the wire 6 m apart? (c) What is the resistance (in Ohms) of a 6 m length of this wire?
A current-carrying gold wire has a diameter of 0.85 mm. The electric field in the wire is 0.54 V/m. Resistivity of the gold is 2.418x10-8 m. (a) What is the current (in amperes) carried by the wire? (b) What is the potential difference (in volts) between two points in the wire 6 m apart? (c) What is the resistance (in Ohms) of a 6 m length of this wire?
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 63P
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