The mean time between collisions in iron is 4.0x10-15 s. Part A What electron current is driven through a 2.5-mm-diameter iron wire by a 0.070 V/m electric field? Express your answer as a number of electrons per second. 15| ΑΣΦ ie= ? electron/s

The mean time between collisions in iron is 4.0x10-15 s. Part A What electron current is driven through a 2.5-mm-diameter iron wire by a 0.070 V/m electric field? Express your answer as a number of electrons per second. 15| ΑΣΦ ie= ? electron/s

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

**Physics Problem: Electron Current in Iron**

**Given Information:**
- The mean time between collisions in iron is \(4.0 \times 10^{-15}\) seconds.

**Problem Statement:**
- **Part A:** Determine what electron current is driven through a 2.5-mm-diameter iron wire when subjected to a 0.070 V/m electric field. Express your answer as a number of electrons per second.

**Solution Requirement:**
- Input the solution in the form \(i_e =\) [space to fill] electrons/s.

To solve this problem, consider applying concepts such as drift velocity, electron charge, and the relationship between current, charge, and flow.

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