CURRENT AND RESISTANCE Problem 1. A piece of 1 4-gauge copper wire 0. 163cm in diameter is 1 4.0m long. (a) What is its resistance? (b) If a potential difference of 1.00 V is applied across the wire, what current flows in it? (c) What is the electric field in the wire? The resistivity of copper is 1.724-10-8 Ohm-m. Problem 2 Ohm's Law and Kirchhoff's Law

CURRENT AND RESISTANCE Problem 1. A piece of 1 4-gauge copper wire 0. 163cm in diameter is 1 4.0m long. (a) What is its resistance? (b) If a potential difference of 1.00 V is applied across the wire, what current flows in it? (c) What is the electric field in the wire? The resistivity of copper is 1.724-10-8 Ohm-m. Problem 2 Ohm's Law and Kirchhoff's Law

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 55P: A 20.00-V battery is used to supply current to a 10-k resistor. Assume the voltage drop across any...

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