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Education
Energy Density of Electric Fields
Consider the potential to arise from the charges themselves. The factor 1/2 is necessary to avoid double counting. To appreciate…
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Economy
Appendix Radiometry, Photometry, and Color
The field of study that quantifies the energy in electromagnetic radiation (including visible light) is referred to as radiometry. lists…
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Economy
Plane Waves and Refractive Index
Restricting our attention to plane waves may seem limited at first since an endless variety of waveform shapes can satisfy…
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Education
Maxwell’s Adjustment to Ampere’s Law
Maxwell was the first to realize that Ampere’s law was incomplete as written in since there exist situations where ∇…
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Education
Electromagnetic Phenomena
Here E and B represent electric and magnetic fields, respectively. The charge density ρ describes the charge per volume distributed…
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Education
Physics of Light and Optics
Preface This curriculum was originally developed for a fourth-year undergraduate optics course in the Department of Physics and Astronomy at…
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Education
Paradigm case arguments
The citation of what are taken to be uncontroversial examples to deny skeptical theses goes back at least to Plato,…
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Education
Compensatory education competence
This is the idea, influential in the USA and UK in the 1960s and 1970s that children’s education should compensate…
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Education
Philosophy of education the Key Concepts
On surveying the titles of books and articles within the philosophy of education concerned with the topic of aesthetic or…
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Business
How Social Media and User Data Play a Role in Search Results and Rankings
Search engines continually seek to improve the relevance of their search results. They do this by tuning the weight and…
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