The Transformer

  • Noel M. Morris
Chapter
Part of the Macmillan Master Guides book series

Abstract

In Chapter 7 (Electromagnetism) it was shown that
  1. 1.

    when a current flows in a coil, a magnetic flux is established;

     
  2. 2.

    when a magnetic flux cuts a coil of wire, an e.m.f. is induced in the coil.

     

The above effects are involved in the process of mutual induction, illustrated in Figure 14.1, in which a changing alternating current in one coil of wire (the primary winding) induces an e.m.f. in the second coil (the secondary winding). The general principle of operation is described below.

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Copyright information

© Noel M. Morris 1991

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  • Noel M. Morris

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