August 2020
Intermediate to advanced
528 pages
22h 16m
English
Content preview from Engineering Science, 2nd Edition
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Chapter 28
Any circuit in which a change of magnetic flux is produced by a change of current is said to possess self-inductance. In turn, the change of flux will produce an e.m.f. across the terminals of the circuit. We refer to this as an induced e.m.f. When the flux produced by one coil links with another we say that the two coils exhibit mutual inductance. The more flux that links the two coils, the greater the amount of mutual inductance that exists between them. This important principle underpins the theory of the transformer.
28.1 Mutual Inductance
When two inductors are placed close to one another, the flux generated when a changing current flows in the first inductor will cut through the other inductor ...
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