Principles and Measurements of Electromotive Forces

Description

Electromotive force refers to the electric potential whose production takes place by either electrochemical cell or by facilitating a change in the magnetic field. The word "force" is somewhat misleading, because EMF is not a force, but rather a "potential" to provide energy. This book “Principles and Measurements of Electromotive Forces” presents distinct aspects of Electromotive Force Theory and its operations in engineering science and industry. Abstract. The concept of electromotive force may be introduced in various ways in an undergraduate course of theoretical electromagnetism. The multitude of alternate expressions for the electromotive force is often the source of confusion to the student. We summarize the main ideas, adopting a pedagogical logic that proceeds from the general to the specific. The electromotive force of a “circuit” is first defined in the most general terms. The expressions for the electromotive force of some familiar electro-dynamical systems are then derived in a rather straightforward manner. A diversity of physical situations is thus unified within a common theoretical framework.