- If I shot an infinitely strong laser beam into the sky
at a random point, how much damage would it do? — Garrett D.
Beyond wrote:so... what is the equivalent resistance between the two marked nodes, in the above xkcd?
BDanielMayfield wrote:Beyond wrote:so... what is the equivalent resistance between the two marked nodes, in the above xkcd?
My quick guess would be 1 ohm. Prove me wrong, I dare ya.
BMAONE23 wrote:BDanielMayfield wrote:Beyond wrote:so... what is the equivalent resistance between the two marked nodes, in the above xkcd?
My quick guess would be 1 ohm. Prove me wrong, I dare ya.
http://m.wikihow.com/Calculate-Series-and-Parallel-Resistance
Here is the simple equation
Beyond wrote:The answer is.... stick the ends of the two leads of an Ohmmeter on the two nodes and read what the scale says. I've got the meter, but no 1-ohm resistors.
Beyond wrote:so... what is the equivalent resistance between the two marked nodes, in the above xkcd?
Chris Peterson wrote:These resistor network problems are routinely assigned in first year college electronics class.
Chris Peterson wrote:Beyond wrote:so... what is the equivalent resistance between the two marked nodes, in the above xkcd?
These resistor network problems are routinely assigned in first year college electronics class.
In this case, the answer is about 0.77 ohms (in fact, it's exactly 4/pi - 0.5).
Nitpicker wrote:In my classes, we failed if we gave the correct answer with no derivation:
http://www.mathpages.com/home/kmath668/kmath668.htm
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