Electric field due to an infinite non-conducting sheet of surface charge density `sigma`, at a distance r from it is

Electric field intensity at a point due to an infinite sheet of charge having surface charge density sigma is E .If sheet were conducting electric intensity would be

Electric field intensity at a point due to an infinite sheet of charge having surface charge density sigma is E .If sheet were conducting electric intensity would be

An infinite conducting sheet has surface charge density sigma . The distance between two points is r. The potential difference (V_A - V_B) between these point is

An infinite conducting sheet has surface charge density sigma . The distance between two points is r. The potential difference (V_A - V_B) between these point is

Does the strength of electric field due to an infinite plane sheet of charge depend upon the distance of the osbervation point from the sheet of charge?