A solid insulating sphere of radius R contains positive charge that is distributed with a volume charge density that does not depend on angle but does increase with distance from the sphere center. Which of the graphs below might give the magnitude E of the electric field as a function of the distance r from the center of the sphere?
选项:
A:A
B:B
C:C
D:D
E:E
发布时间:2024-04-24 21:36:18