Thread: Energy Brain Teaser
View Single Post
  #1   Report Post  
Old March 31st 07, 03:23 PM posted to rec.radio.amateur.antenna
Cecil Moore[_2_] Cecil Moore[_2_] is offline
external usenet poster
  
First recorded activity by RadioBanter: Mar 2007
Posts: 3,521
Default Energy Brain Teaser
With as little effort as possible, determine Pfor2 and Pref2.

Given: Pfor1 = 100 watts, Pref1 = zero watts
[(Z02-Z01)/(Z02+Z01)]^2 = 0.5

100w---Z01 ohm line---+---Z02 ohm line---unknown load
Pfor1-- Pfor2--
--Pref1 --Pref2
--
73, Cecil http://www.w5dxp.com
Reply With QuoteReply With Quote