Question

four identical charges Q fixed at four corners of a square of side a.the electric field at a point p located symmetrically at a distance a√2 from the centre of square is​

Answer 1

Answer:

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//sqrt(2) from the center of the square is. Enet=4Ecosθ=44πε0Qa21√2=Q√2πε0a2.