Imagine a spherical shell with a uniformly distributed negative charge, as shown below. What are the directions of the field vectors created by that shell at the two points shown?

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

Question

Imagine a spherical shell with a uniformly distributed negative charge, as shown below. What are the directions of the field vectors created by that shell at the two points shown?
 
-(a) What is the direction at point $P_{1}$ just inside the shell?
A) A 
B) B 
C) C 
D) D 
E) zero 
F) other 
G) AA 
H) BB 
I) $\mathrm{CC}$ 
J) DD

Quizplus · Accepted Answer

The electric field inside a conductor in electrostatic equilibrium is zero. Since point $P_{1}$ is just inside the shell, the electric field and thus the direction of any force/electric field would be zero.

Imagine a Spherical Shell with a Uniformly Distributed Negative Charge P1P_{1}P1​

Imagine a Spherical Shell with a Uniformly Distributed Negative Charge $P_{1}$