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+clear;
+clc;
+
+//Example3.11[Selecting a Heat Sink for a Transistor]
+//Given:-
+Q_=60;//Rate of heat transfer from given transistor at at full power[W]
+T_ambient=30;//Temperature of ambient air[degree Celcius]
+T_case=90;//Maximum temperature of case[degree Celcius]
+//Solution:-
+R_sink=(T_case-T_ambient)/Q_;//[degree Celcius/W]
+disp("degree Celcius/W",R_sink,"The thermal resistance b/w the transistor attached to the heat sink and the ambient air for the specified temperature difference is ")
+\ No newline at end of file