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+// Exa 13.4
+
+clc;
+clear all;
+
+// Given data
+
+R= 4;// Resistance of thermistor in k Ohms
+R1=0.003;// Meter resistance in k Ohms
+Rc=0.017; // in k Ohms
+Vt=15;// in Volts
+
+// Solution
+
+// From fig. 13.2(b)- graph of Temp vs Resistance we find that,thermistor resistance at 25 degree Celsius is 4 K ohms and at 65.5556 degree Celsius it is 950 ohms.
+R_25= 4;// in k Ohms
+R_65=0.95; // in k Ohms
+
+I1=Vt/(R_25+R1+Rc); // current at 25 degree Celsius(A)
+I2=Vt/(R_65+R1+Rc); // current at 65.556 degree Celsius(A)
+
+printf(' The current meter reading at 25 degree Celsius = %.2f mA and at 150 degree fahrenheit = %.1f mA \n', I1,I2);