Page 76 - Basic Electrical Engineering
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We have two coils having self-inductance L and L connected in series. In
1
2
Fig. 1.16 (a), they produce flux in the same direction, and in Fig.1.16 (b), the
connection is such that they produce flux in the opposite directions.
Since the two coils are connected in series, the same current flows through
them.
If there is a change in current di amperes in time dt seconds, the EMF
induced in coil 1 due to its self-inductance L is
1
Similarly, the EMF induced in coil 2 due to its self-inductance, L is
2
Due to mutual inductance, the EMF induced in coil 1 due to change in current
in coil 2 and vice versa are expressed as EMF induced in coil 1 due to change
in current in coil 2 is
Figure 1.16 Coils connected in series in (a) commulatively; in (b) differentially
EMF induced in coil 2 due to change in current in coil 1 is
