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//===========================================================================
//chapter 10 example 16
clc;clear all;
//variable declaration
P = 10000; //resistance in arm AB in Ω
Q = 10; //resistance in arm BC in Ω
S = 5000; //resistance in arm BD in Ω
Si = 10^8; //sensitivity
Rg =100; //galvanometer resistance in Ω
E = 12; //voltage in V
d = 2.5; //deflection in mm
//calculations
R = P*S/Q; //resistance required in arm CD in Ω
Rth = ((R*S/(R+S))+(P*Q/(P+Q))); //thevenin's equivalent resistance of bridge in Ω
dR = ((d*(Rth+Rg)*((R+S)^2))/(Si*E*S)); //change in defelection in Ω
//result
mprintf("the maximum value of resistance that can be measured with the given arrangement = %3.2f Ω",R);
mprintf("\nchange in defelction = %3.2f k Ω",(dR*10^-3));
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