FIGURE 20-5
-Four equal point charges of magnitude 6.00 μC and of varying signs are placed at the corners of a square 2.00 m on each side, as shown in Figure 20-5. What is the electric potential at the center of this square due to these charges?

Question

FIGURE 20-5 
-Four equal point charges of magnitude 6.00 μC and of varying signs are placed at the corners of a square 2.00 m on each side, as shown in Figure 20-5. What is the electric potential at the center of this square due to these charges?

Quizplus · Accepted Answer

Since the square is symmetrical and the charges are equal in magnitude, the electric fields due to opposite charges cancel each other out at the center of the square. Therefore, the electric potential at the center of the square is zero.

FIGURE 20-5 -Four Equal Point Charges of Magnitude 6.00 μC and of μC