# Resistance Value?

Karl W4KRL W4KRL at dcm-va.com
Thu Oct 25 21:33:51 CDT 2012

```This approach is similar to mine and yields R/2.
http://stevensholland.com/challenge-problem-solution-from-jan-19th-2007/

This approach is mathematically complicated and seems to yield 2R/pi: (0.63
Ohms)
http://www.mathpages.com/home/kmath668/kmath668.htm

Karl

-----Original Message-----
From: Richard O'Neill [mailto:richardoneill at earthlink.net]
Sent: Thursday, October 25, 2012 7:04 PM
Subject: Re: Resistance Value?

Correct! You win the Grand Prize, a one ohm resistor. :-) Would you care
to inform us how you arrived at the answer?

Richard

On 10/25/2012 6:34 PM, Phil wrote:
> One ohm.
>
> Phil M1GWZ
>
>
> On 25 Oct 2012, at 20:32, Karl W4KRL wrote:
>
>> My solution is based on observing that an infinite number of parallel
>> resistors approaches zero resistance. Each row and column of
>> resistors can be reduced to a short circuit connected to the "center"
>> elements through two series resistors.
>>
>> Karl W4KRL
>>
>> -----Original Message-----
>> From: Richard O'Neill [mailto:richardoneill at earthlink.net]
>> Sent: Thursday, October 25, 2012 2:14 PM
>> To: W4KRL at arrl.net
>> Cc: Karl W4KRL; 'Tacos AMRAD'
>> Subject: Re: Resistance Value?
>>
>>
>>   Awaiting your drawing. :-) The proof of Fermat's last theorem
>> required
>> 358 years but this problem isn't that difficult to solve.
>> In fact, it's intuitively obvious and a good exercise for EE's. :-D
>>
>> Richard
>>
>> On 10/25/2012 12:24 AM, Karl W4KRL wrote:
>>> My non-mathematical approach yields 1/2 Ohm. Am I correct? If so I
>>> will draw the approach tomorrow.
>>>
>>> Karl W4KRL
>>>
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