An uncharged spherical conducting shell surrounds a charge -q at ...

[charchew]

An uncharged spherical conducting shell surrounds a charge -q at the center of the shell. Then charge +3q is placed on the outside of the shell. When static equilibrium is reached, the charges on the inner and outer surfaces of the shell are respectively
 a. +q, -q.
  b. -q, +q.
  c. +q, +2q.
  d. +2q, +q.
  e. +3q, 0.

Question 2

An uncharged spherical conducting shell surrounds a charge -q at the center of the shell. The charges on the inner and outer surfaces of the shell are respectively
 a. -q, -q.
  b. -q, +q.
  c. +q, -q.
  d. +q, +q.
  e. +q, 0.

[stanleka1]

Answer to Question 1

C

Answer to Question 2

C

[charchew]

Gracias!

TYSM