Imagine that we place a spherical shell with a uniformly distributed positive charge $Q$ and a particle with a negative charge $-4 Q$ as shown below. What are the directions of the total electric field vectors at the two points shown?

-(a) What is the direction at point $P_{1}$ at the shell's center?
A) A
B) B
C) C
D) D
E) zero
F) other
G) AA
H) BB
I) $\mathbf{C C}$
J) DD

Question

Imagine that we place a spherical shell with a uniformly distributed positive charge $Q$ and a particle with a negative charge $-4 Q$ as shown below. What are the directions of the total electric field vectors at the two points shown?
 
-(a) What is the direction at point $P_{1}$ at the shell's center?
A) A 
B) B 
C) C 
D) D 
E) zero 
F) other 
G) AA 
H) BB 
I) $\mathbf{C C}$ 
J) DD

Quizplus · Accepted Answer

The Answer of Imagine that we place a spherical shell with a uniformly distributed positive charge $Q$ and a particle with a negative charge $-4 Q$ as shown below. What are the directions of the total electric field vectors at the two points shown?
 
-(a) What is the direction at point $P_{1}$ at the shell's center?
A) A 
B) B 
C) C 
D) D 
E) zero 
F) other 
G) AA 
H) BB 
I) $\mathbf{C C}$ 
J) DD

Imagine That We Place a Spherical Shell with a Uniformly QQQ

Imagine That We Place a Spherical Shell with a Uniformly $Q$