27. Poynting Vector and Energy Flow in a Capacitor

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Learning Objectives

To comprehend the flow of electromagnetic energy and how it is described by the Poynting vector.
To look at the Poynting vector near a resistor and the source of the ohmic heating energy.
To look at the Poynting vector near an inductor and the source of the energy going into the magnetic field.

Preparation

Course Notes

Read through the course notes. The course note files may also contain links to associated animations or interactive simulations.

Read sections 13.2 through 13.6:
Maxwell’s Equations and Electromagnetic Waves (PDF - 1.1MB)

Learning Activities

Guided Activities

Read through the class slides. They explain all of the concepts from the module.

Self-Assessment

Do the Concept Questions first to make sure you understand the main concepts from this module. Then, when you are ready, try the Challenge Problems.

Concept Questions

Concept Questions (PDF)

Solutions (PDF)

Challenge Problems

Challenge Problems (PDF)

Solutions (PDF)

Related Visualizations

The visualizations linked below are related to the concepts covered in this module.

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