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Electrostatics deals with electric charges that are stationary. The fundamental source of the electric field is the electric charge $Q$.
Close the textbook. Open the PPT in "Slide Show" mode. principles of electromagnetics sadiku ppt
When fields vary with time, they sustain each other: a changing $\mathbfE$ creates a changing $\mathbfB$, which in turn creates a changing $\mathbfE$. This self-propagating disturbance is an Electromagnetic Wave.
Some open-source enthusiasts have converted Sadiku’s chapter summaries into Markdown and PPT. ResearchGate often has the "Chapter 1 Preview" slides available for download. Combining Maxwell’s equations leads to the wave equation,
Caution: The 4th and 5th editions have vastly different chapter numbering than the 6th edition. Always verify the table of contents.
Combining Maxwell’s equations leads to the wave equation, describing how waves propagate through a medium. $$ \nabla^2 \mathbfE - \mu\varepsilon \frac\partial^2 \mathbfE\partial t^2 = 0 $$ The velocity of this wave is $u = \frac1\sqrt\mu\varepsilon$. In free space (vacuum), this velocity is the speed of light ($c \approx 3 \times 10^8$ m/s). Key chapters typically covered in Sadiku PPTs:
Official slides for Sadiku’s Principles of Electromagnetics (often the 4th, 5th, or 6th edition, or the Oxford version) are typically restricted to instructors. However, you can find lecture PPTs derived from his work at these locations:
Key chapters typically covered in Sadiku PPTs:
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