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An electronic system, with closed loop current flow, and relative electrical potentials present across electrical components.

0 votes
1 answer
457 views

Why can one assume in "infinite grid of resistors" that in the center there are diagonal nod...

Why can one assume in "infinite grid of resistors" that in the center there are diagonal nodes that have $-1$ and $+1$ currents? As in the matrix $P$ in the following picture:
mavavilj's user avatar
  • 459
-1 votes
1 answer
171 views

In a grid of resistors, why can one assume that $2\alpha + \beta = 1$?

In the following formulation of part of the infinite grid problem Why can one assume that $1$ (of current) entering a node must equal $2 \alpha + \beta$ current? Why aren't all the three other qua …
mavavilj's user avatar
  • 459
0 votes
1 answer
30 views

Is it feasible to model electronic components on "electron level"? Has it been done?

Is it feasible to model electronic components on "electron level"? Has it been done? Reason to ask is that I've noticed that many practical models of electronics merely try to devise a function that …
mavavilj's user avatar
  • 459
-2 votes
1 answer
293 views

Are there some other ways to deduce resistance from current, than Ohm's Law (e.g. because wh...

Are there some other ways to deduce resistance from current, than Ohm's Law (e.g. because why'd we assume a linear relationship?)? Also, are Kirchoff's laws usually often in conjunction with Ohm's Law …
mavavilj's user avatar
  • 459