I would take the loans and go to the better school. I agree that your interests may change, but assuming you would have good grades at any of the schools, doing undergrad research in the field you're currently interested in would go a long way for getting your accepted into a different...
TL;DR Summary: Are there any online analog electronics courses through recommended where I can go at my own pace? I would like something like Coursera.
I am a recent graduate with a background in power electronics. I am starting to do more analog electronics which I an not really familiar...