A spherical shell is cut into two pieces along a chord as shown in Figure. For points P and Q:

• A

  I_p > I_Q

• B

  I_p < I_Q

• C

  I_p = I_Q = 0

• D

  ${\mathrm{I}}_{\mathrm{P}}={\mathrm{I}}_{\mathrm{Q}}\ne 0$