//Chapter 2 //Example 2.3 //Page 60 clear; clc; R1 = 1000; R2 = 842; R3 = 500; printf("Because bridge is nulled we find R4 using equation:\n R1R4=R3R2 \n") //Calculation of R4 R4=R3*R2/R1; printf("%.0f ohm",R4)