An isolated sphere of radius R contains a uniform volume distribution of positive charge. Which of the curves on the graph above correctly illustrated the dependence of the magnitude of the electric field of the sphere as a function of the distance r from its center?
A. A
B. B
C. C
D. D
E. E
(GR8677 #10)
Solution:The graph shows different lines for condition inside the solid sphere, r
RInside the sphere:
E is linearly proportional to r.
Answer: C
No comments :
Post a Comment