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//===========================================================================
//chapter 1 example 9
clc;
clear all;
//variable declaration
s = 4000; //instrument sensitivity in kΩ
R = 10; //range of scale
R0 = 20; //output resistance in kΩ
E0 = 7.5; //open circuit voltage
//calculations
RL =s*R; //instrument resistance in kΩ
RL1 = RL*10^-3;
EL = E0/(1+(R0/(RL1))); //measured value of voltage in V
p = ((EL-E0)/(E0))*100; //percentage error in %
//result
mprintf("measured value of voltage = %3.2f V",EL);
mprintf("\npercentage error = %3.2f V percentage low",p);
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