Electrical Resistance of Wire

The electrical resistance R of a cylindrical wire with length l (in meter) and diameter d (in meter) can be computed from the area A of its diameter (m²) and the  resistivity Ρ of the material (rho, meter times Ohm). The formula:

R=P*(l/A)

Code::

/*

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/**

 *

 * @author mrdishant

 */

import java.util.*;

public class Resistance {

    public static void main(String[] nt)

    {

        Scanner in=new Scanner(System.in);

        System.out.print("Enter Length of wire:");

        double length=in.nextDouble();

        System.out.print("Enter Diameter of Wire:");

        double d=in.nextDouble();

        System.out.print("Enter Resistivity of wire:");

        double p=in.nextDouble();

        double r=p*(4*length/3.142*d*d);

        System.out.println("Resistance of Wire:"+r);

 

    }

    

}

Output::