Four identical charges Q are fixed at the four corners of a

Last updated: 6/26/2023

Four identical charges Q are fixed at the four corners of a square of side a The electric field at a point P located symmetrically at a distance a 2 from the cente of the square is 1 Q 2 2 80a 2 Q reva 3 2 20 Re0a 4 20 09