resistor.h
//circuit class template
#ifndef TEST_H
#define TEST_H
#include<iostream>
#include<string>
#include<vector>
#include<cstdlib>
#include<ctime>
#include<cmath>
using namespace std;
//Node for a resistor
struct node {
 string name;
 double resistance;
 double voltage_across;
 double power_across;
};
//Create a class Ohms
class Ohms {
//Attributes of class
private:
 vector<node> resistors;
 double voltage;
 double current;
//Member functions
public:
 //Default constructor
 Ohms();
 //Parameterized constructor
 Ohms(double);
 //Mutator for volatage
 void setVoltage(double);
 //Set a resistance
 bool setOneResistance(string, double);
 //Accessor for voltage
 double getVoltage();
 //Accessor for current
 double getCurrent();
 //Accessor for a resistor
 vector<node> getNode();
 //Sum of resistance
 double sumResist();
 //Calculate current
 bool calcCurrent();
 //Calculate voltage across
 bool calcVoltageAcross();
 //Calculate power across
 bool calcPowerAcross();
 //Calculate total power
 double calcTotalPower();
 //Display total
 void displayTotal();
 //Series connect check
 bool seriesConnect(Ohms);
 //Series connect check
 bool seriesConnect(vector<Ohms>&);
 //Overload operator
 bool operator<(Ohms);
};
#endif // !TEST_H
resistor.cpp
//Implementation of resistor.h
#include "resistor.h"
//Default constructor,set voltage 0
Ohms::Ohms() {
 voltage = 0;
}
//Parameterized constructor, set voltage as passed voltage
Ohms::Ohms(double volt) {
 voltage = volt;
}
//Mutator for volatage,set voltage as passed voltage
void Ohms::setVoltage(double volt) {
 voltage = volt;
}
//Set a resistance
bool Ohms::setOneResistance(string name, double resistance) {
 if (resistance <= 0){
   return false;
 }
 node n;
 n.name = name;
 n.resistance = resistance;
 resistors.push_back(n);
 return true;
}
//Accessor for voltage
double Ohms::getVoltage() {
 return voltage;
}
//Accessor for current
double Ohms::getCurrent() {
 return current;
}
//Accessor for a resistor
vector<node> Ohms::getNode() {
 return resistors;
}
//Sum of resistance
double Ohms::sumResist() {
 double total = 0;
 for (int i = 0; i < resistors.size(); i++) {
   total += resistors[i].resistance;
 }
 return total;
}
//Calculate current
bool Ohms::calcCurrent() {
 if (voltage <= 0 || resistors.size() == 0) {
   return false;
 }
 current = voltage / sumResist();
 return true;
}
//Calculate voltage across
bool Ohms::calcVoltageAcross() {
 if (voltage <= 0 || resistors.size() == 0) {
   return false;
 }
 double voltAcross = 0;
 for (int i = 0; i < resistors.size(); i++) {
   voltAcross += resistors[i].voltage_across;
 }
 return true;
}
//Calculate power across
bool Ohms::calcPowerAcross() {
 if (voltage <= 0 || resistors.size() == 0) {
   return false;
 }
 double powerAcross = 0;
 for (int i = 0; i < resistors.size(); i++) {
   powerAcross += resistors[i].power_across;
 }
 return true;
}
//Calculate total power
double Ohms::calcTotalPower() {
 calcCurrent();
 return voltage * current;
}
//Display total
void Ohms::displayTotal() {
 for (int i = 0; i < resistors.size(); i++) {
   cout << "ResistorName: " << resistors[i].name << ", Resistance: " << resistors[i].resistance
     << ", Voltage_Across: " << resistors[i].voltage_across << ", Power_Across: " << resistors[i].power_across << endl;
 }
}
//Series connect check
bool Ohms::seriesConnect(Ohms ohms) {
 if (ohms.getNode().size() == 0) {
   return false;
 }
 vector<node> temp = ohms.getNode();
 for (int i = 0; i < temp.size(); i++) {
   this->resistors.push_back(temp[i]);
 }
 return true;
}
//Series connect check
bool Ohms::seriesConnect(vector<Ohms>&ohms) {
 if (ohms.size() == 0) {
   return false;
 }
 for (int i = 0; i < ohms.size(); i++) {
   this->seriesConnect(ohms[i]);
 }
 return true;
}
//Overload operator
bool Ohms::operator<(Ohms ohms) {
 if (ohms.getNode().size() == 0) {
   return false;
 }
 if (this->sumResist() < ohms.sumResist()) {
   return true;
 }
 return false;
}
main.cpp
#include "resistor.h"
int main()
{
  //Set circuit voltage
 Ohms ckt1(100);
 //Loop to set resistors in circuit
 int i = 0;
 string name;
 double resistance;
 while (i < 3) {
   cout << "Enter resistor name: ";
   cin >> name;
   cout << "Enter resistance of circuit: ";
   cin >> resistance;
   //Set one resistance
   ckt1.setOneResistance(name, resistance);
   cin.ignore();
   i++;
 }
 //calculate totalpower and power consumption
 cout << "Total power consumption = " << ckt1.calcTotalPower() << endl;
 return 0;
}
Output
Enter resistor name: R1
Enter resistance of circuit: 2.5
Enter resistor name: R2
Enter resistance of circuit: 1.6
Enter resistor name: R3
Enter resistance of circuit: 1.2
Total power consumption = 1886.79
Explanation:
Note
Please add all member function details.Its difficult to figure out what each function meant to be.
