Lecture

Electromotive Force and Power Transfer

In course

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Description

This lecture covers the concept of electromotive force (EMF) in circuits, the power dissipation in resistors, and the optimization of power transfer between EMF sources and loads. It discusses the laws governing direct current circuits, the generation of EMF in various devices, and the calculation of power dissipated in resistors. The lecture also explores the relationship between resistance and temperature in tungsten wires, the operation of lead-sulfuric acid cells, and the potential distribution in DC circuits with EMF sources. Additionally, it explains the importance of considering internal resistance in EMF sources for efficient power transfer.

Instructor

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Official source

https://mediaspace.epfl.ch/media/0_yzha4vfk

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Ontological neighbourhood

Physics

Electromagnetism: Electrical networks

Electrical engineering

Power engineering: Electric power transmission

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