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+// to find the maximum measurable voltage and the instrument resolution
+// example 12-5 in page 367
+clc;
+// Data given
+V=1.0190;// Standard cell voltage V=VR3=VB2 in volt
+R13=100; R3=509.5; R4=290.5;// R13 is the slider resistance and resistance R3 and R4 all in ohm
+R=100;// resistances R6 through R12 in ohm
+l=100D-2;// length of the sliding wire in meter
+// claculaion
+VAE=(V/R3)*(R3+R4);// maximum measurable voltage in volt where I1=V/R3
+printf("Maximum measurable voltage=%.1f V\n",VAE);
+I2=VAE/(8*R);//current I2 in ampere
+VAB=I2*R13;//voltage across R13 in volt
+Vpl=VAB/l;// slide wire voltage per unit length in volt/meter
+printf("instrument resolution=(+/-)%.1f mV",Vpl)
+//result
+//Maximum measurable voltage=1.6 V
+//instrument resolution=(+/-)0.2 mV 
+\ No newline at end of file