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Electromagnetic Induction.
The relationship between the physics and the small-signal electrical behaviour of transformers
By David W Knight

Download: EM_induction.pdf (version 0.09 provisional, 0.7MB)

Overview:
This article introduces the theory required for the analysis and modelling of inductively-coupled
networks. The material presented is applicable to electrical transformers of all types, but the
examples given relate primarily to high-frequency signal-processing applications. Familiarity with circuit analysis technique is assumed; but magnetism is discussed at an elementary level in order to ensure that the fundamental concepts are understood.

>>> Full article .

Familiarity with the basic properties of ideal transformers is here assumed. A brief introduction is given in AC Theory, section 41.

Induction coil

Induction coil

Induction coil
Electromagnetic induction apparatus (teaching laboratory demonstration). Made by C. F. Palmer Ltd., (Charles Fielding Palmer) Effra Road, London S.W.2. Early or mid 20th Century (no date marking). Use of plasticised PVC sleeving (on buzzer coil leads) indicates manufacture sometime after 1926. Distance scale is in cm. Screw threads are BA.

© D W Knight 2009, 2010.
David Knight asserts the right to be recognised as the author of this work.

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