Is this a stable equilibrium position for a charged particle

Last updated: 6/27/2023

Is this a stable equilibrium position for a charged particle placed at this point Discuss the nature of the equilibrium 19 A semicircular ring of radius R is carrying a charge q uniformly distributed over its length Calculate the magnitude of the electric field at the center of the ring Can you calculate the field without using integration For your sake of information Archimedes could have done so 20 Use problem 15 to generate 10 C charge starting with a shell carrying a charge 1 C