Generating electricity

  • Martin Harrison
  • Frank McKim
Part of the Macmillan Master Series book series (MMS)


After this chapter you should
  • know that an e.m.f. is induced in a wire if it sweeps across a magnetic field

  • know that a rotating armature coil in a motor experiences an e.m.f.

  • be able to draw a diagram and explain how an alternating e.m.f. may be induced

  • be able to explain the construction of a transformer

  • understand step up and step down transformers

  • know why the National Grid uses a high voltage supply system

  • know how data can be stored on magnetic tape and retrieved.


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Copyright information

© M. J. Harrison, F. R. McKim 1999

Authors and Affiliations

  • Martin Harrison
  • Frank McKim

There are no affiliations available

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