Question

Please help me with this question! It is due by midnight! I'm doing this in Visual Studio 2019. But any others are fine as long as it can compile.

I also wanted to see the results if it is compiled and QT comments as well. Please respond immediately!

Description: For this homework we will use classes to model something in the real world. In this case a resistor. The colored bands on the top-most resistor shown in the photo below indicate a resistance of 6.2 k2 #5 percent. The resistor tolerance of5 percent indicates the acceptable variation in the resistance. A 6.2 k2 #5 percent resistor could have a resistance as small as 5.89 k2 or as large as 6.51 k2. We say that 6.2 k2 is the nominal value of the resistance and that the actual value of the resistance can be any value between 5.89 k2 and 6.51 k2 Maris dkikpho The colors on the top resistor are Blue, Red, Red, and Gold. Each of the colors have a meaning. Consider another resistor Tolerance First band Second band Multiplier The first band is the first significant digit of the resistance value The second band is the second significant digit of the resistance value The third band is the decimal multiplier The fourth band indicates the tolerance For example (using the values from the table below as a key), a resistor with red, violet, green, and gold bands (left to right) will have 2 as the first digit, 7 as the second digit, a multiplier of 105, and a tolerance of+5 percent, for a resistance of 2,700 k2, plus or minus 5 percent Color Digit Multiplier Tolerance Black x10° 0 Brown 1 10 #1% x10 Red +2% Orange 3 10 x10 Yellow 4 *10 Green 0.5% x10 6 Blue +0.25% Violet x10 7 20.1% 20 Gray 40.05% White x10 x10 Gold 45% x10 Silver +10% None 20% Specifications 1. Create an Empty C++ project 2. Add a new file to the Project called - main.cpp. 3. You will add a class resistor which will be in namespace nwacc in files resistor.h and resistor.cpp. DO NOT forget mandatory comments 4. Write a program that represents a resistor as a class 5. Provide a single constructor that accepts values for the nominal resistance, multiplier, tolerance, and then determines the actual value randomly 6. The class should provide public methods to get the nominal resistance, tolerance, and the actual resistance 7. The class should be immutable 8. Lastly, provide a method that returns a description of the "color bands" for the resistance and tolerance string. For example - a. First Band - Red as a b. Second Band - Violet Multiplier Green C. d. Tolerance Gold 9. Write a main method for the program that demonstrates that the class works properly by displaying actual resistances and description (color bands) for ten different resistors. Place your resistors in a list or vector and iterate over the container displaying the values 10. You can use the rand function from cstdlib to generate the random tolerance. 11. The program will not require any user input 12. All output should be formatted as shown with the correct symbols, spacing, and number of decimal places

Answer 1

Screenshot

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Program

main.cpp

#include <iostream>
#include<iomanip>
#include<vector>
#include<cstdlib>
#include "Resistance.h"
using namespace std;
int main()
{
   //Create a vector for resistance
   vector<Resistance> resistances;
   //Tolerance vector
   vector<double>tolerances;
   //Add 2 tolerances randomly for check
   for (int i = 0; i < 2; i++) {
       double r = (double)rand() / RAND_MAX;
       tolerances.push_back(.05 + (fmod(r, (20 - .05 + 1))));
   }
   //Create 2 resistances
   Resistance r1(4.8,2,tolerances.at(0));
   resistances.push_back(r1);
   Resistance r2(6.2,5,tolerances.at(1));
   resistances.push_back(r2);
   //Display details
   for (int i = 0; i < 2; i++) {
       double resistance = resistances.at(i).getactualResistance();
       cout << fixed << setprecision(2) <<resistance <<"KOhm"<< endl;
       resistances.at(i).colorBand(resistance);
       cout << endl;
   }
  
}

Resistance.h

#pragma once
#include<cstdlib>
#include<iostream>
#include<string>
using namespace std;
//Craete a class Resistance
class Resistance {
//Attributes
private:
   double nominalResistance;
   int multiplier;
   double tolerance;
//Member functions
public:
   //constructor
   Resistance(double, int, double);
   //getters
   double getNominalResistance()const;
   double getTolerance()const;
   double getactualResistance()const;
   //color band description
   void colorBand(double);
};

Resistance.cpp

#include "Resistance.h"
//Constructor implementation
Resistance::Resistance(double nominal, int mult, double tol){
   nominalResistance = nominal;
   multiplier = mult;
   tolerance = tol;
}
//getters implementation
double Resistance::getNominalResistance()const {
   return nominalResistance;
}
double Resistance::getTolerance()const {
   return tolerance;
}
double Resistance::getactualResistance()const {
   double toleranceVal = nominalResistance * (double(tolerance) / 100);
   double resistance1 = nominalResistance - toleranceVal;
   double resistance2 = nominalResistance + toleranceVal;
   double r = (double)rand() / RAND_MAX;
   return resistance1 + (fmod(r, (resistance2 - resistance1 + 1)));;
}
//color band description
void Resistance::colorBand(double actualResistance) {
   int temp = actualResistance * 1000;
   int firstBand = temp / 1000;
   int secondBand = (temp / 100) % 10;
   string colors[] = { "Black","Brown","Red","Orange","Yellow","Green","Blue","Violet","Gray","White","Gold/Silver/None" };
   cout << "First Band: "<<colors[firstBand]<< endl;
   cout << "First Band: " << colors[secondBand] << endl;
   cout << "Multiplier: " << colors[multiplier] << endl;
   if (tolerance == 1) {
       cout << "Tolerance: Brown" << endl;
   }
   else if (tolerance == 2) {
       cout << "tolerance: red" << endl;
   }
   else if (tolerance == 0.5) {
       cout << "First Band: Green" << endl;
   }
   else if(tolerance == .25) {
       cout << "First Band: Blue" << endl;
   }
   else if (tolerance == .1) {
       cout << "First Band: Violet" << endl;
   }
   else if (tolerance == .05) {
       cout << "First Band: Gray" << endl;
   }
   else if (tolerance == 5) {
       cout << "First Band: Gold" << endl;
   }
   else if (tolerance == 10) {
       cout << "First Band: Silver" << endl;
   }
   else if (tolerance == 20) {
       cout << "First Band: None" << endl;
   }
   else {
       cout << "First Band: black/Orange/Yellow/White" << endl;
   }

}

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output

4.99KOhm
First Band: Yellow
First Band: White
Multiplier: Red
First Band: black/Orange/Yellow/White

6.97KOhm
First Band: Blue
First Band: White
Multiplier: Green
First Band: black/Orange/Yellow/White

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Note

Here i test only 2 values due to time limit,Please add more test values.