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// Exa 20.1
clc;
clear all;
// Given data
V1=20;// superimposed small AF voltage(V)
V2=30;//Bridge balance voltage(V)
R1=100;// Bridge arm resistor(ohms)
// Solution
RF_pwr=(V2^2-V1^2)/(4*R1);
printf('RF test power = %.2f W \n',RF_pwr);
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