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Series and Parallel Connection of Coils
Inductors connected in series or parallel are governed by the same formulae as those applicable to resistive loads. The following diagram shows an array of inductors connected in series.
The total inductance here is:
In other words:
| If several coils are connected in series, their total inductance is equal to the sum of the individual inductances. |
The following diagram shows an array of inductors connected in parallel.
The total inductance here is:
In other words:
| If several coils are connected in parallel, the inverse of their total inductance is equal to the sum of the individual inverse inductances. |