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//=============================================================
//Chapter 5 example 18
clc;
clear all;
//variable declaration
p = 80;
q = 60
//i = 80-60*sqrt(2)*sin(theta+%pi/6)
//i^2 = x = (80)^2)-((2*80*60*sqrt*sin(theta+(%pi/6))0^2)+((80^2)*(sin(theta+(%pi/6))^2))
//x =a-b*(sin(theta+(%pi/6))^2)+(c)*(sin(theta+(%pi/6))^2)
//x = (80)^2)-((2*80*60*sqrt*sin(theta+(%pi/6))0^2)+(((80^2)/2)*(1-(cos(theta+(%pi/6))^2))
//x = a-(b*sin(theta+(%pi/6)))+(c/2)-cos(theta+((pi/6)^2))
a = p^2;
b =(2*(q^2)*(sqrt(2)));
c = (q*sqrt(2))^2;
//x = (1/2*%pi)*{(integral(x*dtheta))}(0-2*%pi)
//applying integration
y =(a+(c/2));
x = (1/%pi)*y*(%pi); //Irms^2
Irms =sqrt(x); //reading in A
//result
mprintf("electrodynamometer instrument indicates the rms value of the current therefore the dreading will be equla ")
mprintf("Irms = %3.2f A",Irms);
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