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// Example 3.18
// Calculation of total power emitted
// Page no 485
clc;
clear;
close;
//Given data
r=0.7; // Emissivity
r0=5.67*10^-8; // Stephen's constant
A=10^-4; // Surface area
T=2000; // Temperature
// Total power emitted
P=r*r0*A*T^4;
//Display result on command window
printf("\n Total power emitted (Watts)= %0.1f ",P);
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