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?

"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.

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