Four point charge are placed at the corners of a square with diagonal 2a as shown.
Channel: Doubtnut
Date: 2020-07-26

Four point charge are placed at the corners of a square with diagonal 2a as shown. What is the total electric field at the center of the squre?  img src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/BMS_V03_C01_E01_122_Q01.png" width="80%"