Just a simple question, usually we can determine the sign of the mutual inductance M by seeing the position of the dots (as the current enters through it). But if you see the upper picture, we don't have any dots. How to determine if it's -M or +M from the arrows?
Rnd after a lifetime in the field I feel like an idiot but exactly what is mutual inductance, where do the dots come from, is M the relative polarity, and where do the arrows come from
I'd guess the "sign of mutual inductance" to be the relative polarity of the windings but still flummoxed, with my apology, by the dots and arrows
Man etc, where are ya
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contrex
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Tue 16 Aug, 2016 12:00 pm
@dalehileman,
dalehileman wrote:
what is mutual inductance
A measure of the induction between two circuits, (for example the primary and secondary of a transformer); the ratio of the electromotive force in a circuit to the corresponding change of current in a neighboring circuit; usually measured in henries.
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