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A charge oil drop is moving with a velcoity v_(1) As it acquire charge it moves up with the velcity V_(2) in the same electric field . It fall freely with a velocity 'V' in the absence before and after acquiring additional charge is |
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Answer» `(V_(1)+V)/(V_(2)-V_(1))` `Eq_(2)-mg=6pinaV_(2)TO2` |
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