1.

In Millikan?s oil drop experiment, an oil drop of mass \[16\times {{10}^{-6}}kg\] is balanced by an electric field of \[{{10}^{6}}V/m.\] The charge in coulomb on the drop, assuming \[g=10\,m/{{s}^{2}}\] is                                             [UP SEAT 2005]

A. \[6.2\times {{10}^{-11}}\]
B. \[16\times {{10}^{-9}}\]
C. \[16\times {{10}^{-11}}\]
D. \[16\times {{10}^{-13}}\]
Answer» D. \[16\times {{10}^{-13}}\]


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