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clc,clear
printf('Example 4.13\n\n')
//PART(i) PART(i) PART(i) PART(i) PART(i) PART(i) PART(i) PART(i) PART(i) PART(i)
V=230;R=100;
P_each = V^2/R
//part(a)
P1a=6*P_each //power consumed
//part(b)
P1b=V^2/(R+R+R) + V^2/(R+R+R) //power consumed
//PART(ii) PART(ii) PART(ii) PART(ii) PART(ii) PART(ii) PART(ii) PART(ii) PART(ii)
V=400/sqrt(3)
//part(a)
R_eq=R/2 //equivalent resistance of given configuration
P2a=V^2/R_eq //power consumed
//part(b)
R_eq=R+R //equivalent resistance of given configuration
P2b=V^2/R_eq //power consumed
//PART(iii) PART(iii) PART(iii) PART(iii) PART(iii) PART(iii) PART(iii) PART(iii)
V=400
R_eq=R/2 //equivalent resistance of given configuration
//part(a)
P3a=V^2/R_eq //power consumed
//part(b)
R_eq=R+R //equivalent resistance of given configuration
P3b=V^2/R_eq //power consumed
printf('Part(i)\n')
printf('(a)Power consumed = %.3f kW\n',P1a/1000)
printf('(b)Power consumed = %.0f watts\n',P1b)
printf('Part(ii)\n')
printf('(a)Power consumed = %.3f kW\n',P2a/1000)
printf('(b)Power consumed = %.3f kW\n',P2b/1000)
printf('Part(iii)\n')
printf('(a)Power consumed = %.1f kW\n',P3a/1000)
printf('(b)Power consumed = %.0f watts\n',P3b)
printf('\nAnswers may mismatch due to calculation error in book')
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