You want to help your friend who is taking Electric Circuit I by writing a compu

Question

You want to help your friend who is taking Electric Circuit I by writing a computer program in C+ + language. Write a program to meet the following specifications: Your program should compute sum of any number of resistor the user enters, for    example if the user enter number of resistors as 4 then the total resistance is Rt = R1 + R2 +R3 + R4  If the user enters the voltage applied to these resistors then your program should compute current 1= E/Rt If the user enters I (current in amps only) then your program should compute voltage Finally compute the power P using the formula P=E*I

Explanation / Answer

#include <iostream>

using namespace std;

int main()

{

int t,Rt=0,r=0,I,E,P=0;

char o;

cout << "Enter the number of resistances present in the circuit" << endl;

cin >> t;

for (int i = 1; i <= t; ++i)

{

cout << "Enter the Resistance value" << endl;

cin >> r;

Rt += r;

}

cout << "Total Resistance Rt = " << Rt;

switch(o)

{

case 'a':

cout << "Enter Current value in amperes: ";

cin >> I;

P=I*I*Rt;

cout << "Power" << P;

break;

case 'b':

cout << "Enter Voltage value in volts: ";

cin >> V;

P=(V*V)/Rt;

cout << "Power" << P;

break;

default:

/* If operator is other than a or b, error message is shown */

cout << "Error! operator is not correct";

break;

}

return 0;

}

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