I believe his point was that a fat and skinny cable in series provides
the same net resistance regardless of the ordering of the pieces. Not
that a real world cable would be 100 ohms.
73
Josh W6XU
On 4/12/2018 9:55 AM, Joe Subich, W4TV wrote:
> Running a heavy power supply line with a lighter gauge wire at
> the radio end OR a lighter wire at the power supply end, the
> overall net supply resistance (and voltage drop) will be the same.
> For example, 100 Ohms in series with 1 Ohm equals 101 Ohms net total
> resistance.
Use *realistic* resistance values. For example, a 10 foot piece of
of #8 wire (0.63 milli-Ohms per foot) with a six inch "pigtail" of
#12 wire (1.5 milli-Ohms per foot) is equivalent to 11' 3" of #8
wire or less than one foot of #12 wire.
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