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+//CHAPTER 4- MEASURING INSTRUMENTS
+//Example 4
+
+disp("CHAPTER 4");
+disp("EXAMPLE 4");
+
+//VARIABLE INITIALIZATION
+r_A=10;                      //in Ohms
+I_A=15/1000;                 //from mA to A
+I=100;                       //in A
+V=500;                       //in Volts
+
+//SOLUTION
+
+//solution (a)
+R_sh=r_A/((I/I_A)-1);        //(I/I_A) is the multiplying factor of the shunt
+
+disp(sprintf("The required shunt resistance is %.2f Ω",R_sh));
+
+//solutuion (b)
+r=V/I_A;                     //total resistance required                  
+R_se=r-r_A;
+disp(sprintf("The required resistance to be added in series is %.3f Ω",R_se));
+
+//END
+
+
+