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what happen when water droplets are passed through highely charged electrodes

what happen when water droplets are passed through highely charged electrodes

Grade:12th pass

1 Answers

Vikas TU
14149 Points
4 years ago
Dear student 
when two droplets coalesce, they can spontaneously jump away from a superhydrophobic surface due to the release of excess surface energy. Here we show that jumping droplets gain a net positive charge that causes them to repel each other mid-fiight.
Surface tension of electrified water decreases as the positive or negative charge increases, but its density and viscosity are the same as those of neutral water. Water drops falling in the air through a biased noncontacting metal ring also acquire charge but with opposite sign to the metal potential, in agreement with a recent model for the electrification of insulators or isolated metals, based on charge transfer coupled to water evaporation, adsorption, and desorption.

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