The resistivity of a 1.0 m long wire is 1.72 x 10-8 Qm and its cross sectional area is 2.0 x 10-6 m2. If the wire carries a current of 0.20 A, what is the voltage across thewire?O 0.90 mVO 10 mVO 90 mVO 1.7 mVO 17 mv

The resistance is given by R = ρLA where, L is the length and A is the area and ρ is the…

The resistivity of a 1.0 m long wire is 1.72 x 10*8 Qm and its cross sectional area is 2.0 x 10-6 m². If the wire carries a current of 0.20 A, what is the voltage across the wire? O 0.90 mV O 10 mv O 90 mV O 1.7 mV O 17 mv

The resistivity of a 1.0 m long wire is 1.72 x 10*8 Qm and its cross sectional area is 2.0 x 10-6 m². If the wire carries a current of 0.20 A, what is the voltage across the wire? O 0.90 mV O 10 mv O 90 mV O 1.7 mV O 17 mv

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Microscopic view of current

In physics, the term current is expressed as the rate of flow of electric charges across the area per unit time (I=q/t). It propagates along in the direction of the motion of positive charges. When the current is caused by the motion of electrons, the direction of the current is opposite to the flow.

Question

The resistivity of a 1.0 m long wire is 1.72 x 10-8 Qm and its cross sectional area is 2.0 x 10-6 m2. If the wire carries a current of 0.20 A, what is the voltage across the
wire?
O 0.90 mV
O 10 mV
O 90 mV
O 1.7 mV
O 17 mv

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