1. A hollow conductor in the form of a cube with small hole cut in one side has a charge +39 placed
on it. If a POINT charge of+q is introduced through the hole (without touching the shell) and
placed at some point near the center of the cube the total charge on the outer surface of the cube
becomes
a. +
+39
b. -4
c. +29
é o do
+39
+49
Introducing a charge tq
cross-section with Introduced
charge +