Question

Charge Q is distributed uniformly along a semicircle of radius a. Which formula below gives the correct

magnitude of the force on a particle of charge q located at the center of the circle?

Answer 1

"E=k*2Q/pie * a^2" is the one formula among the following choices given in the question that gives the correct magnitude of the force on a particle of charge q located at the center of the circle. The correct option among all the options that are given in the question is the fourth option or option "d". I hope the answer has helped you.