In the figure below, what is the magnitude of the electric field at the vacant corner of the square (lower right corner)? One side of the square is of length 30.0 cm. 8.00 µC -5.00 µC - 4.00 µC E4 Eg

KVL stands for Kirchhoff voltage law. KVL states that the total voltage drops around the loop in any closed electric circuit is equal to the sum of total voltage drop in the same closed loop.

Science and technology incorporate some ideas and techniques of their own to understand a system skilfully and easily. These techniques are called conventions. For example: Sign conventions of mirrors are used to understand the phenomenon of reflection a…