<p><a href="https://electronics.stackexchange.com/questions/244366/how-do-i-tell-if-my-thermistors-are-10k-or-100k">This question</a> was migrated to electronics.SE. To me the migration makes no sense:</p>

<ul>
<li><p>The question deals with a problem that is relevant to the users of this site</p></li>
<li><p>This site can provide a more specialized answer than electronics.SE can provide: you don't just need to know whether it's a 10k or 100k thermistor, but also figure out the correct thermistor table in your firmware. electronics.SE does not have knowledge of 3D printer firmware, which is the issue underlying this question.</p></li>
</ul>

<p>Obviously there's some overlap between Arduino/Electronics/3D printing, but what determines whether a question should be migrated?</p>

The question was migrated because the specific question of "
How do I tell if my Thermistors are 10k or 100k?
" is going to be best answered by users of Electrical Engineering SE. This also provides the SE network with more appropriate traffic based on the question at hand.
However, if the question of "
How can I change the thermistors settings in Marlin firmware?
" were to arise, then the question would be best suited here on 3D Printing. It might help both SE sites by providing links to each other's relevant questions for future users to reference.
If the question was something like "
How can I wire a hotend?
", this would be more appropriate here on 3D Printing SE as users in Electrical Engineering SE may not know as much about the topic compared to users in 3D Printing. This may be a poor example, but the idea is that there is strict correlation between
hotends
and 3D printing, whereas identifying thermistors is not a specific topic to just 3D printing.
Update
After reading a few posts on SE meta,
this one
leads me to agree with you that this particular question may not have needed to be migrated. However, it exposes an important question of how we want to proceed with questions like this in the future? How far down the rabbit hole do we want to allow this site to go in this topic? I'd recommend others pitch in recommendations in answers here on what would be the appropriate topic in this case that can be applied to our
On-Topic
page so that it may be amended.