JEE Main 20262 Apr, Evening shiftPhysicsHardElectrostatics167× since 2002
Two metal plates are kept horizontally with separation of cm, with plate A on the top. An atomizer jet sprays oil (density 1.5 g/cm) droplets of radius 1 mm horizontally. All oil droplets carry a charge 5 nC. The potentials and are required on plates A and B respectively in order to ensure the droplets do not descend. The values of and are ______. (Neglect the air resistance to the droplets and take )