Wire having a cross section area 1cm• square and a resistivity 1 (ohm. Meter) is connected at its ends with 10V battery at temperature 300 K, when the current is 100mA. Find the * length of wire 1cm 2cm O 3cm O

Wire having a cross section area 1cm• square and a resistivity 1 (ohm. Meter) is connected at its ends with 10V battery at temperature 300 K, when the current is 100mA. Find the * length of wire 1cm 2cm O 3cm O

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

Wire having a cross section area 1cm•
square and a resistivity 1 (ohm.
Meter) is connected at its ends with
10V battery at temperature 3000 K,
when the current is 100mA. Find the
length of wire
1cm
2cm
3cm O

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