Electronics is the study of electric circuits and electrical components, and the design of useful devices. Some questions in this tag may be more appropriate for the [Electrical Engineering(http://electronics.stackexchange.com/) SE site.
3
votes
2answers
692 views
Does van Eck phreaking really work, or is it an urban myth?
Van Eck phreaking, the ability to reconstruct distally the text on a CRT or LCD screen using the leaking em from the target computer, was in the news about five to ten years ago. It is talked about as ...
24
votes
2answers
9k views
On this infinite grid of resistors, what's the equivalent resistance?
I searched and couldn't find it on the site, so here it is (quoted to the letter):
On this infinite grid of ideal one-ohm resistors, what's the equivalent resistance between the two marked nodes?
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0
votes
1answer
58 views
Impedance Measurements in AC at Various Frequency [closed]
I need to build a device to measure the impedance in AC, at various frequency (100Hz - 100KHz), with the quadrupole method.
No, I have quite a good understanding of the principle behind the this kind ...
