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Also, have to do some error calculations from previous lab. Shouldn't take too long, just put them into a script I'll write and the answer should pop out. Have to write the script first though.
Yes. The problem is that we're going to measure and study the magnetic field around several different coils. Now jolly good that we haven't had the theory on magnetic fields yet (we're still on capacitators), so tomorrow is going to be fun indeed.
It's not really that bad, it's just that putting it in Excel is boring. I'm not too pleased with the results for the values of the permittivity of vaccum we calculated last lab, one is rather off (the other is okay-ish on, depending on the uncertainty I have yet to calculate). Funny thing how I thought a correcting for a systematic error would make it better, not worse at it seems to be at the moment.
The more greek letters, universal constants and trigonometric identities you put in there, the better it gets, amirite?
I drew a rocket on my physics assignment (amongst other things, like a whole page filled with Magnemite). Whenever me and a friend is done with pretty much any math or physic assignment, we draw all over it. It's like kindergarten ... just that it's a university.
I'll take a guess and think that the closed integral of the circuit with element dl and magnetic field B is equal to the permeability of vacuum * the enclosed electric current.
That's just an educated guess though, and I reckon I'll be seeing more of that later on in the course.
I have wave physics next semester, and then basic quantum physics and thermodynamics the next after that I think.
Probably. Then again, we're using Biot-Savart's law in the lab tomorrow, and as I said, we haven't even started on magnetic fields.
That said however, I don't think EM is as difficult as some said it was going to be. I got a B in mechanical physics (along with pretty much every other subject, except an A). I won't take it lightly, but it's going better than expected. I'm going to apply for a student assistant position in the subject I got an A. Dunno if I'll get it, but it doesn't harm applying for it at least.
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