Sure there is. Pick a frequency and tune out the inductance of the
"resistor" with a capacitor. The combination is a single frequency pure
resistance (SFPR). Had a buddie once who was making Moebius strip
resistors which came very close to 0 inductance. My point is that I
actually agree with Rich and Will, there are only approximations to a
pure resistance in the real world. Any charge movement over or in a
condustor will give rise to a magnetic field which stores energy and
defines an inductance by U=1/2 LI^2. A resistor w/o current is pretty
useless.
Tomm, KD7QAE
Will Matney wrote:
>I knew that was coming, been caught saying it myself : )
>
>Will
>
>*********** REPLY SEPARATOR ***********
>
>On 3/28/06 at 4:17 PM R@contesting.com;Measures wrote:
>
>
>
>>On Mar 28, 2006, at 12:00 PM, Ian White GM3SEK wrote:
>>
>>
>>
>>>Mike McCarthy, W1NR wrote:
>>>
>>>
>>>>Ohmite OX and OY series ceramic composition resistors can be used as
>>>>replacements for carbons. They are non inductive unlike film and
>>>>wirewound resistors. Available at Mouser, Digi-key, etc.
>>>>
>>>>See http://www.ohmite.com/cgi-bin/showpage.cgi?product=ox_oy_series
>>>>
>>>>Mike, W1NR
>>>>
>>>>
>>>Where do Ohmite specify the inductance of these resistors, or show how
>>>they are made?
>>>
>>>
>>There is no such thing as a non-inductive resistor.
>>
>>
>>>...
>>>
>>>
>>
>>Rich Measures, 805.386.3734, AG6K, www.somis.org
>>
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>>
>>
>
>
>
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