Keywords: Dielectric (19)

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2-D Electrostatic Field Simulation
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2-D Electrostatic Field Simulation

This applet simulates the electric field of many charge distributions, including point ... (more)

This applet simulates the electric field of many charge distributions, including point charges, line charges, dipoles, cylinders, conducting planes and more. The color can be adjusted for field magnitude or potential. Equipotential or field lines are optional. The field strength and number of particles are adjustable. The field can be displayed as a velocity field or a force field. The description is also available in German. (less)

Subject:
Physics
Material Type:
Instructional Material
Interactive
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Author:
Paul Falstad
3-D Electrostatic Field Simulation
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3-D Electrostatic Field Simulation

This applet simulates the electric field and potential for various charge distributions, ... (more)

This applet simulates the electric field and potential for various charge distributions, including point, line, dipole, spherical and other charges. There is also a simulation, with adjustable speed, of a charge moving close to the speed of light. The field can be displayed as a velocity or force field with particles following field lines, or as field or equipotential lines. The potential and fields can be displayed in 3-D or on a movable 2-D slice. The field strength and number of particles is adjustable, and the charge can be reversed. Source code and directions (also in German) are included. (less)

Subject:
Physics
Material Type:
Instructional Material
Interactive
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Author:
Paul Falstad
Advanced Exercises Physlet-Based Curriculum
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Advanced Exercises Physlet-Based Curriculum

These examples are from introductory physics and selected examples of advanced material. ... (more)

These examples are from introductory physics and selected examples of advanced material. They can be used at the beginning of class to introduce topics, during the middle of a topic to test whether students are ready to cover additional material, or at the end of a topic to test students' knowledge of the material just covered. This page does not contain frames with links to the Physlets webpage. (less)

Subject:
Science and Technology
Physics
Material Type:
Activities and Labs
Instructional Material
Reference
Simulations
Provider:
iLumina
Provider Set:
iLumina Digital Library
Author:
Mario Belloni
Wolfgang Christian
Advanced Exercises Physlet-Based Curriculum
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Advanced Exercises Physlet-Based Curriculum

These examples are from introductory physics and selected examples of advanced material. ... (more)

These examples are from introductory physics and selected examples of advanced material. They can be used at the beginning of class to introduce topics, during the middle of a topic to test whether students are ready to cover additional material, or at the end of a topic to test students' knowledge of the material just covered. This page contains frames with links to the Physlets webpage. (less)

Subject:
Science and Technology
Physics
Material Type:
Activities and Labs
Instructional Material
Reference
Simulations
Provider:
iLumina
Provider Set:
iLumina Digital Library
Author:
Mario Belloni
Wolfgang Christian
Ben Franklin as my Lab Partner: The Importance of the Dielectric
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Ben Franklin as my Lab Partner: The Importance of the Dielectric

This lab manual describes experiments motivated by letters of Ben Franklin describing ... (more)

This lab manual describes experiments motivated by letters of Ben Franklin describing studies of static electricity. It includes explorations of the effect of dielectrics in capacitors and the creation of electrostatic motors. Descriptions of experiments using simple and cheap materials are provided a long with historical descriptions and images. (less)

Subject:
History, Law, Politics
Physics
Material Type:
Activities and Labs
Instructional Material
Lesson Plans
Reference
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Author:
Robert Morse
Capacitor Physlet-Based Curriculum
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Capacitor Physlet-Based Curriculum

These examples are from introductory physics and selected examples of advanced material. ... (more)

These examples are from introductory physics and selected examples of advanced material. They can be used at the beginning of class to introduce topics, during the middle of a topic to test whether students are ready to cover additional material, or at the end of a topic to test students' knowledge of the material just covered. This page does not contain frames with links to the Physlets webpage. (less)

Subject:
Science and Technology
Physics
Material Type:
Activities and Labs
Instructional Material
Reference
Provider:
iLumina
Provider Set:
iLumina Digital Library
Author:
Mario Belloni
Wolfgang Christian
Capacitor Physlet-Based Curriculum
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Capacitor Physlet-Based Curriculum

These examples are from introductory physics and selected examples of advanced material. ... (more)

These examples are from introductory physics and selected examples of advanced material. They can be used at the beginning of class to introduce topics, during the middle of a topic to test whether students are ready to cover additional material, or at the end of a topic to test students' knowledge of the material just covered. This page contains frames with links to the Physlets webpage. (less)

Subject:
Science and Technology
Physics
Material Type:
Activities and Labs
Instructional Material
Reference
Provider:
iLumina
Provider Set:
iLumina Digital Library
Author:
Mario Belloni
Wolfgang Christian
Colorado Upper Division Electrostatics (CUE) Assessment
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Colorado Upper Division Electrostatics (CUE) Assessment

The Colorado Upper Division Electrostatics (CUE) Asssessment is designed to test student ... (more)

The Colorado Upper Division Electrostatics (CUE) Asssessment is designed to test student understanding of core learning goals in junior-level E&M. It consists of a 17-item open-ended test with optional 9-item pretest. The test has good inter-rater reliability and has been validated using multiple measures. The test provided here is version 22 of the CUE which was attached as Appendix B to the article: Stephanie V. Chasteen, Rachel E. Pepper, Marcos D. Caballero, Steven J. Pollock, and Katherine K. Perkins, Colorado Upper-Division Electrostatics diagnostic: A conceptual assessment for the junior level, Phys. Rev. ST Phys. Educ. Res. 8 (2), 020108 (2012), doi:<a href="10.1103/PhysRevSTPER.8.020108">10.1103/PhysRevSTPER.8.020108</a>. To receive a copy of the most recent version of the test to use in your course, contact Steven Pollock at <a href="mailto:steven.pollock@colorado.edu">steven.pollock@colorado.edu</a>. (less)

Subject:
Physics
Education
Material Type:
Assessments
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Author:
Stephanie V. Chasteen
Steven J. Pollock
Dielectric Breakdown Lightning Model
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Dielectric Breakdown Lightning Model

The Dielectric Breakdown Lightning Model implements a common method for modeling lightning ... (more)

The Dielectric Breakdown Lightning Model implements a common method for modeling lightning using a grid with regions of varying electric potential to simulate the electrical charge buildup during a lightning storm. To simulate the source of the lightning in the cloud, we set the potential to zero and place a small region of negative charge near the top of the grid. Along the bottom of the grid, we set the boundary potential to one to simulate the positive charge on the ground. All other grid points are given an initial electric potential equal to 0.5. After solving Laplace's equation, we examine all the grid points that are adjacent to a negative charge. We choose one adjacent point as the new growth site for the lightning, representing a point where the air is ionized and lightning will develop. The Dielectric Breakdown Lightning Model was developed as a final project in a sophomore-level Computational Physics course (Phy 200) using the Easy Java Simulations (EJS) modeling tool. It is distributed as a ready-to-run (compiled) Java archive. Double clicking the jar file will run the program if Java is installed. You can modify this simulation if you have EJS installed by right-clicking within the map and selecting "Open Ejs Model" from the pop-up menu item. (less)

Subject:
Physics
Material Type:
Instructional Material
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Author:
Sam Castle
Ejs Parallel Plate Capacitor Model
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Ejs Parallel Plate Capacitor Model

The EJS Parallel Plate Capacitor model displays a parallel-plate capacitor which consists ... (more)

The EJS Parallel Plate Capacitor model displays a parallel-plate capacitor which consists of two identical metal plates, placed parallel to one another. The capacitor can be charged by connecting one plate to the positive terminal of a battery and the other plate to the negative terminal. The dielectric constant and the separation of the plates can be changed via sliders. (less)

Subject:
Science and Technology
Physics
Material Type:
Activities and Labs
Full Course
Instructional Material
Interactive
Provider:
comPADRE
ComPADRE Digital Library
Provider Set:
Open Source Physics
ComPADRE: Resources for Physics and Astronomy Education
Author:
Andrew Duffy
Electromagnetic Fields, Forces, and Motion, Spring 2005
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Electromagnetic Fields, Forces, and Motion, Spring 2005

6.641 examines electric and magnetic quasistatic forms of Maxwell's equations applied to ... (more)

6.641 examines electric and magnetic quasistatic forms of Maxwell's equations applied to dielectric, conduction, and magnetization boundary value problems. Topics covered include: electromagnetic forces, force densities, and stress tensors, including magnetization and polarization; thermodynamics of electromagnetic fields, equations of motion, and energy conservation; applications to synchronous, induction, and commutator machines; sensors and transducers; microelectromechanical systems; propagation and stability of electromechanical waves; and charge transport phenomena. (less)

Subject:
Science and Technology
Material Type:
Assessments
Full Course
Homework and Assignments
Lecture Notes
Syllabi
Video Lectures
Provider:
M.I.T.
Provider Set:
MIT OpenCourseWare
Author:
Zahn, Markus
Electromagnetic Fields, Forces, and Motion, Spring 2009
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Electromagnetic Fields, Forces, and Motion, Spring 2009

"This course examines electric and magnetic quasistatic forms of Maxwell's equations applied ... (more)

"This course examines electric and magnetic quasistatic forms of Maxwell's equations applied to dielectric, conduction, and magnetization boundary value problems. Topics covered include: electromagnetic forces, force densities, and stress tensors, including magnetization and polarization; thermodynamics of electromagnetic fields, equations of motion, and energy conservation; applications to synchronous, induction, and commutator machines; sensors and transducers; microelectromechanical systems; propagation and stability of electromechanical waves; and charge transport phenomena. Acknowledgments The instructor would like to thank Thomas Larsen and Matthew Pegler for transcribing into LaTeX the homework problems, homework solutions, and exam solutions." (less)

Subject:
Science and Technology
Material Type:
Activities and Labs
Assessments
Full Course
Lecture Notes
Provider:
M.I.T.
Provider Set:
MIT OpenCourseWare
Author:
Zahn, Markus
Measuring Capacitance
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Measuring Capacitance

The capacitance of a parallel plate capacitor can be altered by dragging ... (more)

The capacitance of a parallel plate capacitor can be altered by dragging (drag from the middle) a conducting block in between the two plates (charge given in mC and position given in centimeters). The light red and light blue circles represent the position of the charge on the conductor. (less)

Subject:
Science and Technology
Physics
Material Type:
Activities and Labs
Instructional Material
Reference
Provider:
iLumina
Provider Set:
iLumina Digital Library
Author:
Mario Belloni
Wolfgang Christian
Microwave Remote Sensing: Land and Ocean Surface Applications
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Microwave Remote Sensing: Land and Ocean Surface Applications

This module introduces the concepts and principles basic to retrieving important land ... (more)

This module introduces the concepts and principles basic to retrieving important land and ocean surface properties using microwave remote sensing observations from polar-orbiting satellites. Section one reviews the advantages of microwave remote sensing from polar-orbiting platforms and briefly highlights some of the unique spectral characteristics that allow for differentiation between various surface types and properties. Subsequent sections present a more in-depth look at the derivation and application of microwave products that quantify four different land and ocean surface properties and their characteristics, including snow cover and water equivalent, sea ice, surface wetness and soil moisture, and sea surface temperature. The module reviews both past and current satellite missions and also discusses the future NPOESS constellation that is expected to include a passive microwave sensing capability beginning with the second NPOESS satellite. This module takes about 120 minutes to complete. (less)

Subject:
Mathematics
Geoscience
Life Science
Physics
Material Type:
Instructional Material
Provider:
UCAR Staff
Provider Set:
COMET/MetEd Program Collection
Author:
COMET
Parallel-Plate Capacitor with Dielectric Model
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Parallel-Plate Capacitor with Dielectric Model

The Parallel-Plate Capacitor with Dielectric model investigates a relatively simple capacitor consisting ... (more)

The Parallel-Plate Capacitor with Dielectric model investigates a relatively simple capacitor consisting of two identical metal plates placed parallel to one another. The capacitor can be charged by connecting one plate to the positive terminal of a battery and the other plate to the negative terminal. In this situation, the battery acts as a pump, pumping electrons from one capacitor plate to the other until the potential difference across the capacitor matches the battery voltage. The Parallel-Plate Capacitor with Dielectric model was created using the Easy Java Simulations (EJS) modeling tool. It is distributed as a ready-to-run (compiled) Java archive. Double clicking the ejs_bu_em_Capacitor.jar file will run the program if Java is installed. (less)

Subject:
Physics
Material Type:
Full Course
Instructional Material
Interactive
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Author:
Andrew Duffy
Physics Teaching Technology Resource: Learning Cycles on Electricity and Magnetism
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Physics Teaching Technology Resource: Learning Cycles on Electricity and Magnetism

This learning cycle features 32 videotaped experiments, organized sequentially for introducing electricity ... (more)

This learning cycle features 32 videotaped experiments, organized sequentially for introducing electricity and magnetism. Each video includes learning goal, prior knowledge required, and post-activity questions. Topics include electrostatics, electric charge, conductance, charging by induction, electric field, electromagnetism and induced current, RC circuits, and more. The instructional method is based on cognitive apprenticeship, in which students focus on scientific process by observing, finding patterns, modeling, predicting, testing, and revising. The materials were designed to mirror the activities of scientists when they construct and apply knowledge. <b><i>See Related Materials</b> for links to the full collection by the same authors and for free access to an article explaining the theoretical basis for this instructional method.</i> (less)

Subject:
Life Science
Physics
Education
Material Type:
Activities and Labs
Instructional Material
Unit of Study
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Author:
Eugenia Etkina
National Science Foundation
Radiative Transfer, Spring 2006
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Radiative Transfer, Spring 2006

Principles of thermal radiation and their application to engineering heat and photon ... (more)

Principles of thermal radiation and their application to engineering heat and photon transfer problems. Quantum and classical models of radiative properties of materials, electromagnetic wave theory for thermal radiation, radiative transfer in absorbing, emitting, and scattering media, and coherent laser radiation. Applications cover laser-material interactions, imaging, infrared instrumentation, global warming, semiconductor manufacturing, combustion, furnaces, and high temperature processing. (less)

Subject:
Science and Technology
Material Type:
Assessments
Full Course
Homework and Assignments
Lecture Notes
Syllabi
Provider:
M.I.T.
Provider Set:
MIT OpenCourseWare
Author:
Chen, Gang
Splung.com: Capacitors
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Splung.com: Capacitors

This web page explains the structure of capacitors and how they function. ... (more)

This web page explains the structure of capacitors and how they function. Topics covered include the energy of charging, capacitor circuits, dielectrics, and RC circuits. There are interactive flash simulations of the charging and discharging capacitors. This is a part of an online tutorial in physics at <a href="http://www.splung.com/main.php" target="_blank"> http://www.splung.com/main.php</a> (less)

Subject:
Physics
Material Type:
Instructional Material
Reference
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Author:
Carl Hepburn
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2002 llaF ,gnivloS melborP gnireenignE dna sretupmoC ot noitcudortnI

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