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The Relation between Relaxation Time, Mean Free Path, Collision Time and Drift Velocity--Pitfalls and a Proposal for an Approach Illustrating the Essentials
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Jakoby, Bernhard – European Journal of Physics, 2009
The collision model is frequently introduced to describe electronic conductivity in solids. Depending on the chosen approach, the introduction of the collision time can lead to erroneous results for the average velocity of the electrons, which enters the expression for the electrical conductivity. In other textbooks, correct results are obtained…
Descriptors: Graduate Students, Textbooks, Physics, Motion
Advances in Computer-Supported Learning
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Neto, Francisco; Brasileiro, Francisco – Information Science Publishing, 2007
The Internet and growth of computer networks have eliminated geographic barriers, creating an environment where education can be brought to a student no matter where that student may be. The success of distance learning programs and the availability of many Web-supported applications and multimedia resources have increased the effectiveness of…
Descriptors: Electronic Learning, Management Systems, Distance Education, Semantics
Cohort Programming and Learning: Improving Educational Experiences for Adult Learners. Professional Practices in Adult Education and Human Resource Development Series.
Saltiel, Iris M.; Russo, Charline S. – 2001
This book, which is intended for adult educators and human resource developers, presents guidelines for using the principles of cohort programming and learning to improve adult learners' educational experiences. The following are among the topics covered in the book's eight chapters: (1) cohort programming and learning (cohort programs defined;…
Descriptors: Adult Education, Adult Educators, Adult Learning, Adult Students