The voltage drop across XY is measured using a voltmeter with a finite internal

Question

The voltage drop across XY is measured using a voltmeter with a finite internal resistance. The internal resistance of the ammeter is negligible. When the voltmeter is connected across X Y the voltage across XY and the current in the ammeter decreases the voltage across XY increases hut the current in the ammeter decreases the voltage across XY and the current in the ammeter increases the voltage across XY decreases but the current in the ammeter increases the electrostatic force between two point charges is 2N. If the distance between the charges is doubled, what will be the force between the two charges? 0.5N 1N 2N 4N

Explanation / Answer

//save u r lab3c.cpp

#include<iostream>

#include<conio.h>

#include<math.h>

using namespace std;

/*This is very easy program,don’t confuse. we have given lengths two sides of a triangle and angle between them .And the cosine formula was also given by them.*/

int main ()

{

float a,b,c,angle;

//reading two side’s lengths

cout << "Please enter lengths of two sides of triangle: ";

cin >> a;

   cin >>b;

cout << "Enter the angle between the two sides entered by u " ;

cin>>angle;

//calculating other side using the given cosine formula

float v=(2*a*b*cos(angle));

c=sqrt((a*a)+(b*b) – v);

cout << " The other length of triangle is " << c;

return 0;

}

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