Question Answers

Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 18 - Electric Potential and Capacitance > Two thin wire rings each having radius R are placed at a distance d apart with their axes coinciding. The charges on the two rings are +Q and -Q. The potential difference between the center of the two rings is :

Two thin wire rings each having radius R are placed at a distance d apart with their axes coinciding. The charges on the two rings are +Q and -Q. The potential difference between the center of the two rings is :

The electric field in a region is given by E→=(A/x3)i^ An expression for the potential in the region assuming the potential at infinity to be zero is