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+//Finding temperature
+//Example 2.14(pg. 27)
+clc
+clear
+V15=250,Vt=250//voltage in volts
+I15=5,It=4//current in amperes
+T=15//temp in degree C
+R15=V15/I15//resistance in ohms at 15 degreeC
+printf('Resistance at 15 degree C is %3.1f ohms \n',R15)
+Rt=Vt/It//resistance at t degreeC
+printf('Resistance at t degree C is %3.1f ohms \n',Rt)
+k0=0.0038
+R0=R15/[1+(k0*T)]
+printf('Resistance at 0 degree C is %3.2f ohms \n',R0)
+t=[(Rt/R0)-1]/k0
+printf('Temperature t is %3.2f degree C',t)