Question:
An oil drop of radius r and density p is held stationary in
Last updated: 6/13/2023
An oil drop of radius r and density p is held stationary in a uniform vertically upwards electric field E If Po p is the density of air and e is quanta of charge then the drop has 4xr P Po g excess electrons 3eE 4xr p Po g excess electrons CE deficiency of 4 P P electrons 3eE 105 attempts EXPLANATION 15 24 got it right nel p po g i e n 3 For equilibrium electric force must be upwards i e charge on the drop is positive 4 r P Po g 3eE 1m 39s avg time A r p pal electrons Medium Correct