RadioBanter - View Single Post - For Roy Lewallen et al: Re Older Post On My db Question

February 16th 06, 11:38 PM posted to rec.radio.amateur.antenna

On Thu, 16 Feb 2006 17:03:29 -0600, (Richard
Harrison) wrote:

Owen Duffy wrote:
"Work this example through with your textbook."

Don`t need the textbook. I`ve been working these for over 60 years.

Pythagoras gave us the solution in ancient times when electricity was
produced by rubbing an amber rod with an animal pelt. The impedance is
close enough to 120 ohms.

I=E/Z
E= 1 ampere

Power=Isquared x R
Power = 85 watts

Nothing like Vrms * Irms though, is it?

Best regards, Richard Harrison, KB5WZI
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