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Foundations of Wireless and Electronics, 10th Edition
book

Foundations of Wireless and Electronics, 10th Edition

by M. G. Scroggie, S. W. Amos
October 2013
Intermediate to advanced content levelIntermediate to advanced
570 pages
27h 46m
English
Newnes
Content preview from Foundations of Wireless and Electronics, 10th Edition
64
But if you are keen enough to pursue the magnetic relationships
farther you may care to note, starting from the fact that μ = B/H,
that one can derive the first formula for inductance in Sec. 4.6:
Β ΦΙ
so T
=
7
=
L
With 'air-core' coils, even when all the turns are close together it is
not correct to assume that all the flux due to each turn links with the
whole lot; and the error is of course much greater if the turns are
widely distributed as in Fig. 4Ab. An even greater difficulty is that
the flux does not all follow a path of constant area A and equal
length /.
A general formula for inductance has nevertheless been given, to
bring ou ...
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Publisher Resources

ISBN: 9781483105574