Download C++ Code for Calculating Total Resistance in Series and Parallel Circuits and more Exercises Object Oriented Programming in PDF only on Docsity! 1c:\documents and settings\usman.younis\my ...2010\Projects\polymorph2\polymorph2\polymorph2.cpp 1 # include < iostream > 2 3 using namespace std ; 4 5 6 // Abstract Class Resistor 7 class Resistor 8 { 9 protected : 10 int NumR ; 11 float * R ; 12 13 public : 14 Resistor ( int n ) 15 { 16 NumR = n ; 17 R = new float [ n ] ; 18 } 19 20 void set _ resistance ( float a []) 21 { 22 for ( int i = 0 ; i < NumR ; i ++) 23 R [ i ] = a [ i ] ; 24 } 25 26 virtual ~ Resistor () 27 { 28 delete [] R ; 29 } 30 31 virtual float total _ resistance () = 0 ; 32 }; 33 // Resistor Ends 34 35 class Series : public Resistor 36 { 37 public : 38 Series ( int a , float b []): Resistor ( a ) 39 { 40 set _ resistance ( b ) ; 41 } 42 43 float total _ resistance () 44 { 45 float Total = 0 . 0 F ; 46 for ( int i = 0 ; i < NumR ; i ++) 47 Total += R [ i ] ; 48 49 return Total ; 50 } 51 52 ~ Series () {} 53 }; 54 55 class Parallel : public Resistor 56 { 57 public : 58 Parallel ( int a , float b []): Resistor ( a ) 59 { 60 set _ resistance ( b ) ; 61 } 62 63 float total _ resistance () 64 { 65 float Total = 0 . 0 F ; 66 float Hold = 0 . 0 F ; docsity.com 2c:\documents and settings\usman.younis\my ...2010\Projects\polymorph2\polymorph2\polymorph2.cpp 67 68 for ( int i = 0 ; i < NumR ; i ++) 69 Hold += 1 . 0 F / R [ i ] ; 70 71 Total = 1 . 0 F / Hold ; 72 73 return Total ; 74 } 75 76 ~ Parallel () {} 77 }; 78 79 void main () 80 { 81 Resistor * ptr ; 82 int choice = 0 ; 83 84 int Num = 0 ; 85 float * Temp ; 86 87 char option ; 88 89 while ( 1 ) 90 { 91 cout << " Which circuit you want to calculate ( 1 : Series , 2 : Parallel ) \ n " ; 92 cin >> choice ; 93 94 if ( choice != 1 && choice != 2 ) 95 { 96 cout << " Not a Valid choice \ n " ; 97 cin . clear () ; 98 cin . ignore ( INT _ MAX , '\ n ' ) ; 99 continue ; 100 } 101 102 cout << " How many resistances are there in your circuit : \ n " ; 103 cin >> Num ; 104 105 Temp = new float [ Num ] ; 106 107 cout << " Enter the resitance of each resistor : \ n " ; 108 for ( int i = 0 ; i < Num ; i ++) 109 { 110 cout << i + 1 << " : " ; 111 cin >> Temp [ i ] ; 112 } 113 114 switch ( choice ) 115 { 116 case 1 : 117 ptr = new Series ( Num , Temp ) ; 118 cout << " Total resistance is : " << ptr ‐ > total _ resistance () << endl ; 119 delete ptr ; 120 break ; 121 122 case 2 : 123 ptr = new Parallel ( Num , Temp ) ; 124 cout << " Total resistance is : " << ptr ‐ > total _ resistance () << endl ; 125 delete ptr ; 126 break ; 127 } 128 129 delete [] Temp ; 130 131 132 cout << " Another ( y / n ) : " ; docsity.com
