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+// To find the required multiplier resistance for the two given circuits
+//Example3-7 in page 49
+clc;
+//Given data
+V=[10 50 100];// voltage ranges in volt
+Im=50e-6;// FSD=50 micro-A
+Rm=1700;// coil resistance in ohm
+//calculation
+printf("for circuit as in figure 3-16(a)\n");
+for n=1:3
+    R=(V(n)/Im)-Rm;
+    printf("R%d=%.4f M ohm\n",n,R/10^6);
+end
+printf("for circuit as in figure 3-16(b)\n");
+R=zeros(1,3);
+for n=1:3
+    R(n)=(V(n)/Im)-Rm-R(1)-R(2);
+    printf("R%d=%.4f M ohm \n",n,R(n)/10^6);
+end