Chandan
13 Aug 2016
In an experiment, an oil drop is held stationary under a constant electric field of 4 × 104 N/C. If the oil drop has 16 extra electrons and the density of oil is 1.26 g/cm3, then the radius of the drop is
1.26 × 10-6 m
3.45 × 10-6 m
2.91 × 10-6 m
4.11 × 10-6 m
or
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