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//CHAPTER 1- D.C. CIRCUIT ANALYSIS AND NETWORK THEOREMS
//Example 47
clc;
disp("CHAPTER 1");
disp("EXAMPLE 47");
//VARIABLE INITIALIZATION
lc=20; //length of copper wire in m
dc=0.015/100; //diameter of copper wire in m
rhoc=1.7; //specific resistance for copper
lp=15; //length of platinum silver wire in m
dp=0.015/100; //diameter of platinum silver wire in m
rhop=2.43; //specific resistance for platinum silver
//SOLUTION
//for copper wire
sc=(%pi/4)*(dc^2); //area
rc=rhoc*(lc/sc);
//for platinum silver
sp=(%pi/4)*(dp^2); //area
rp=rhop*(lp/sp);
if(rc>rp) then
disp("Copper wire has greater resistance");
else
disp("Platinum silver wire has greater resistance");
end;
//END
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