Recent content by Mister T

Not surprising. I guess "responder" means student that started the assignment.

The fraction of responders who chose that answer?

Why is branching the criterion you're using? The currents "join" at point A. Isn't that just branching in reverse?

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You lost me. The electron and the position each have electric charge. You want to know if that charge can come from photons via some as-yet unknown type of electric charge? Why would it if it's a different type of electric charge?

That difference could be due to the instructor. Certainly there are many physics instructors who teach the plug-and-chug answer-making strategy rather than focusing on sense-making. If you decide to major in physics you will certainly be required or at east encouraged to take chemistry in your...

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Yeah, sorry about that. I was mistaken. See Post #114.

No, I'm not. After doing a bit of reading of Arnold B. Arons; who apparently misspoke, or I misheard, or I remember incorrectly from, a few decades ago, I stand corrected.

FWIW it doesn't necessarily imply that the potential is zero simply because the field is zero. I realize this distinction was not made clear in the original question. It's a poorly-worded question.

It's not the value of ##c##. It's the ratio of the value of ##c## to those other constants that's "baked", or in other words, is fundamental to the structure of the universe.

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Right. Length has the dimension of meter. The meter is a dimension. The meter is a unit.

Many students read the chapter end summary, then try to solve the chapter-end problems by referring back to the portions of the chapter that will help them solve that particular problem. If the student is adept at memorizing, this will help when asked to solve the very same type of problem on a...