A potential difference of 12 V is found to produce a currentof 0.40 A in a 3.2 - m length of wire with a uniform radius of0.40 cm. What is (a) the resistance of the wire? (b) The resistivityof the wire?

A potential difference of 12 V is found to produce a currentof 0.40 A in a 3.2 - m length of wire with a uniform radius of0.40 cm. What is (a) the resistance of the wire? (b) The resistivityof the 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 8P: A 0.900-V potential difference is maintained across a 1.50-m length of tungsten wire that has a...

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A potential difference of 12 V is found to produce a current
of 0.40 A in a 3.2 - m length of wire with a uniform radius of
0.40 cm. What is (a) the resistance of the wire? (b) The resistivity
of the wire?

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