Text Problem 25-13: Two point charges are on the y-axis. (a) charge is located at y = and a 4.5-C 1.25 cm, charge is located at y = Find the total electric potential at (a) the origin and (b) the point 2.24-C -1.80 cm. whose coordinates are (1.50 cm, 0.0 cm). Text Problem 25-44: A uniformly charged insulating rod of length is bent into the shape of a 14.0 cm semicircle as shown in Fig. 1. The rod has a total charge of Find the electric potential at 7.50 C. P, the center of the semicircle.
Text Problem 25-13: Two point charges are on the y-axis. (a) 4.5-C charge is located at y = 1.25 cm, and a 2.24-C charge is located at y = -1.80 cm. Find the total electric potential at (a) the origin and (b) the point whose coordinates are (1.50 cm, 0.0 cm). Text Problem 25-44: A uniformly charged insulating rod of length 14.0 cm is bent into the shape of a semicircle as shown in Fig. 1. The rod has a total charge of 7.50 C. Find the electric potential at P, the center of the semicircle.