[Antennas] Re: Amp Rating
Lyn Williams
[email protected]
2002年6月25日 14:01:39 -0400
> This is something I should have laying around here in some manual or the
> Handbook or something but have not found it yet.
>> What amp rating would a 4 inch piece of solid 20 ga copper wire have?
>> Tim Billingsley KD5CKP
> http://www.qsl.net/kd5ckp/start.htm
Annealed copper, 20 awg, has a resistance of 1 ohm per 98.50 feet.
Which means that a four inch length would have a resistance of 0.0034
ohms.
The fusing current (the amount of current required to melt the wire in 1
second) is 58.4 amperes.
Regards to the list
Lyn
WA4GEH