Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Two metal plates ( 
) are kept horizontally with separation of 
, with plate A on the top. An atomizer jet sprays oil (density 
) 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 
)
Text Solution
Verified by ExpertsThe correct answer is:
A
Plate A will be lower potential.
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