Question

when i applying Gauss's law to charge which has a spherical hollow shape, if its sign is positive; +Q, inside of the sphere, there are some electric fields?

Answer 1

try this video... http://www.youtube.com/watch?v=BcuQ2c_WrMc

Answer 2

Induced charges will always negate these fields in order to keep the net field inside ZERO.

Answer 3

net flux lines inside the sphere is 0 that's why net field is 0 inside the sphere

Answer 4

if +ve charge is at the inside of the shell ( not sphere) then yes