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//To calculate the Net Rate of Heat Loss
//Example 28.4
clear;
clc;
A=10*10^-4;//Surface Area of Blackbody in m^2
T=400;//Initial Temperature in Kelvin
T0=300;//Final Temperature in Kelvin
Sigma=5.67*10^-8;//Stefan Constant
delU=Sigma*A*(T^4-T0^4);//Net Rate of Heat Loss
printf("The net rate of loss of heat is=%2f W",delU);
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