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 ")