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+// Chapter8
+// Determine appropiate heat sink rating
+// Page.No-296
+// Example8_7
+//Figure 8.34
+// Given
+clear;clc;
+Tj=150; // in degree C
+Ta=40; // in degree C
+Qjc=3.0; // in C/W
+Qcs=1.6; // in C/W
+PD=6; //in W
+Qsa=(Tj-Ta)/PD - Qjc-Qcs;
+printf("\n Value of Qsa = %.2f C/W\n",Qsa); // Result