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  • The electric feild required to keep a water drop of mass  just to remain suspended, when charged with one electron, is-n

The electric feild required to keep a water drop of mass m just to remain suspended, when charged with one electron, is-  

Option: 1

mg


Option: 2

\frac{mg}{e}


Option: 3

emg


Option: 4

\frac{em}{g}


Answers (1)

best_answer

from figure,

 eE=mg
                       E=\frac{mg}{e}
   

Posted by

Gautam harsolia

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