> Maybe I don't understand what goes on inside a relay. Does the coil
> resistance change in steady state?

No, it never changes.

> Does it act like an inductor in series or
> parallel with a resistor (or both)?

For the vast majority of uses, a relay coil can be modeled very well by an
inductor in series with a resistor.


********************************************************************
Olin Lathrop, embedded systems consultant in Littleton Massachusetts
(978) 742-9014, olin@embedinc.com, http://www.embedinc.com

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